diff --git a/api/all/src/main/java/io/opentelemetry/api/common/ArrayBackedAttributes.java b/api/all/src/main/java/io/opentelemetry/api/common/ArrayBackedAttributes.java
index 165c9ffe2e2..422b68e8a30 100644
--- a/api/all/src/main/java/io/opentelemetry/api/common/ArrayBackedAttributes.java
+++ b/api/all/src/main/java/io/opentelemetry/api/common/ArrayBackedAttributes.java
@@ -41,7 +41,7 @@ public AttributesBuilder toBuilder() {
     return new ArrayBackedAttributesBuilder(new ArrayList<>(data()));
   }
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // entries are typed as Object[]
   @Override
   @Nullable
   public <T> T get(AttributeKey<T> key) {
diff --git a/api/all/src/main/java/io/opentelemetry/api/common/ArrayBackedAttributesBuilder.java b/api/all/src/main/java/io/opentelemetry/api/common/ArrayBackedAttributesBuilder.java
index af575a61e36..3faea21db55 100644
--- a/api/all/src/main/java/io/opentelemetry/api/common/ArrayBackedAttributesBuilder.java
+++ b/api/all/src/main/java/io/opentelemetry/api/common/ArrayBackedAttributesBuilder.java
@@ -48,7 +48,7 @@ public <T> AttributesBuilder put(AttributeKey<T> key, @Nullable T value) {
   }
 
   @Override
-  @SuppressWarnings({"unchecked", "rawtypes"})
+  @SuppressWarnings({"unchecked", "rawtypes"}) // using "put" method with raw type AttributeKey
   public AttributesBuilder putAll(Attributes attributes) {
     if (attributes == null) {
       return this;
diff --git a/api/all/src/main/java/io/opentelemetry/api/common/AttributesBuilder.java b/api/all/src/main/java/io/opentelemetry/api/common/AttributesBuilder.java
index 6623d470137..8e26dd53436 100644
--- a/api/all/src/main/java/io/opentelemetry/api/common/AttributesBuilder.java
+++ b/api/all/src/main/java/io/opentelemetry/api/common/AttributesBuilder.java
@@ -111,7 +111,7 @@ default AttributesBuilder put(String key, String... value) {
    *
    * @return this Builder
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to T
   default <T> AttributesBuilder put(AttributeKey<List<T>> key, T... value) {
     if (value == null) {
       return this;
diff --git a/api/all/src/main/java/io/opentelemetry/api/internal/ImmutableKeyValuePairs.java b/api/all/src/main/java/io/opentelemetry/api/internal/ImmutableKeyValuePairs.java
index 4e6b19cee36..3f6ee498907 100644
--- a/api/all/src/main/java/io/opentelemetry/api/internal/ImmutableKeyValuePairs.java
+++ b/api/all/src/main/java/io/opentelemetry/api/internal/ImmutableKeyValuePairs.java
@@ -71,7 +71,7 @@ public final Map<K, V> asMap() {
 
   /** Returns the value for the given {@code key}, or {@code null} if the key is not present. */
   @Nullable
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // data is typed as Object[]
   public final V get(K key) {
     if (key == null) {
       return null;
@@ -85,7 +85,7 @@ public final V get(K key) {
   }
 
   /** Iterates over all the key-value pairs of labels contained by this instance. */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // data is typed as Object[]
   public final void forEach(BiConsumer<? super K, ? super V> consumer) {
     if (consumer == null) {
       return;
@@ -150,7 +150,7 @@ private static void splitAndMerge(
    * Left source half is sourceArray[ beginIndex:middleIndex-1]. Right source half is sourceArray[
    * middleIndex:endIndex-1]. Result is targetArray[ beginIndex:endIndex-1].
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // sourceArray and targetArray is typed as Object[]
   private static <K> void merge(
       Object[] sourceArray,
       int beginIndex,
@@ -192,7 +192,7 @@ private static <K> int compareToNullSafe(
     return keyComparator.compare(key, pivotKey);
   }
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // data is typed as Object[]
   private static <K> Object[] dedupe(Object[] data, Comparator<K> keyComparator) {
     Object previousKey = null;
     int size = 0;
diff --git a/api/all/src/main/java/io/opentelemetry/api/internal/IncubatingUtil.java b/api/all/src/main/java/io/opentelemetry/api/internal/IncubatingUtil.java
index e03b1e22f8c..e19282a8def 100644
--- a/api/all/src/main/java/io/opentelemetry/api/internal/IncubatingUtil.java
+++ b/api/all/src/main/java/io/opentelemetry/api/internal/IncubatingUtil.java
@@ -18,7 +18,7 @@
 public class IncubatingUtil {
   private IncubatingUtil() {}
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // casting to T
   public static <T> T incubatingApiIfAvailable(T stableApi, String incubatingClassName) {
     try {
       Class<?> incubatingClass = Class.forName(incubatingClassName);
diff --git a/api/all/src/main/java/io/opentelemetry/api/internal/ReadOnlyArrayMap.java b/api/all/src/main/java/io/opentelemetry/api/internal/ReadOnlyArrayMap.java
index 0d178e212b0..8696ad1e9c1 100644
--- a/api/all/src/main/java/io/opentelemetry/api/internal/ReadOnlyArrayMap.java
+++ b/api/all/src/main/java/io/opentelemetry/api/internal/ReadOnlyArrayMap.java
@@ -37,7 +37,7 @@
  * <p>This class is internal and is hence not for public use. Its APIs are unstable and can change
  * at any time.
  */
-@SuppressWarnings("unchecked")
+@SuppressWarnings("unchecked") // array is typed as List<Object>
 public final class ReadOnlyArrayMap<K, V> extends AbstractMap<K, V> {
 
   /** Returns a read-only view of the given {@code array}. */
diff --git a/api/all/src/main/java/io/opentelemetry/api/logs/LogRecordBuilder.java b/api/all/src/main/java/io/opentelemetry/api/logs/LogRecordBuilder.java
index a8ac9d4d203..5091aac3c52 100644
--- a/api/all/src/main/java/io/opentelemetry/api/logs/LogRecordBuilder.java
+++ b/api/all/src/main/java/io/opentelemetry/api/logs/LogRecordBuilder.java
@@ -94,7 +94,7 @@ default LogRecordBuilder setBody(Value<?> body) {
    * Sets attributes. If the {@link LogRecordBuilder} previously contained a mapping for any of the
    * keys, the old values are replaced by the specified values.
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // use of raw AttributeKey
   default LogRecordBuilder setAllAttributes(Attributes attributes) {
     if (attributes == null || attributes.isEmpty()) {
       return this;
diff --git a/api/all/src/main/java/io/opentelemetry/api/trace/ArrayBasedTraceState.java b/api/all/src/main/java/io/opentelemetry/api/trace/ArrayBasedTraceState.java
index 6da56f542f2..970e55c6d44 100644
--- a/api/all/src/main/java/io/opentelemetry/api/trace/ArrayBasedTraceState.java
+++ b/api/all/src/main/java/io/opentelemetry/api/trace/ArrayBasedTraceState.java
@@ -54,7 +54,7 @@ public void forEach(BiConsumer<String, String> consumer) {
   }
 
   @Override
-  @SuppressWarnings({"unchecked", "rawtypes"})
+  @SuppressWarnings({"unchecked", "rawtypes"}) // wrap takes List<Object>
   public Map<String, String> asMap() {
     return ReadOnlyArrayMap.wrap((List) getEntries());
   }
diff --git a/api/all/src/main/java/io/opentelemetry/api/trace/Span.java b/api/all/src/main/java/io/opentelemetry/api/trace/Span.java
index 708bb1de077..80f388002d7 100644
--- a/api/all/src/main/java/io/opentelemetry/api/trace/Span.java
+++ b/api/all/src/main/java/io/opentelemetry/api/trace/Span.java
@@ -180,7 +180,7 @@ default Span setAttribute(AttributeKey<Long> key, int value) {
    * @return this.
    * @since 1.2.0
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // use of raw AttributeKey
   default Span setAllAttributes(Attributes attributes) {
     if (attributes == null || attributes.isEmpty()) {
       return this;
diff --git a/api/all/src/main/java/io/opentelemetry/api/trace/SpanBuilder.java b/api/all/src/main/java/io/opentelemetry/api/trace/SpanBuilder.java
index c8727dd8471..21b081b89f5 100644
--- a/api/all/src/main/java/io/opentelemetry/api/trace/SpanBuilder.java
+++ b/api/all/src/main/java/io/opentelemetry/api/trace/SpanBuilder.java
@@ -259,7 +259,7 @@ default SpanBuilder setAttribute(AttributeKey<Long> key, int value) {
    * @return this.
    * @since 1.2.0
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // use of raw AttributeKey
   default SpanBuilder setAllAttributes(Attributes attributes) {
     if (attributes == null || attributes.isEmpty()) {
       return this;
diff --git a/api/incubator/src/main/java/io/opentelemetry/api/incubator/common/ArrayBackedExtendedAttributes.java b/api/incubator/src/main/java/io/opentelemetry/api/incubator/common/ArrayBackedExtendedAttributes.java
index a864a1d9585..fd1c4658b40 100644
--- a/api/incubator/src/main/java/io/opentelemetry/api/incubator/common/ArrayBackedExtendedAttributes.java
+++ b/api/incubator/src/main/java/io/opentelemetry/api/incubator/common/ArrayBackedExtendedAttributes.java
@@ -47,14 +47,14 @@ public ExtendedAttributesBuilder toBuilder() {
     return new ArrayBackedExtendedAttributesBuilder(new ArrayList<>(data()));
   }
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to T
   @Override
   @Nullable
   public <T> T get(ExtendedAttributeKey<T> key) {
     return (T) super.get(key);
   }
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // use of raw ExtendedAttributeKey
   @Override
   public Attributes asAttributes() {
     if (attributes == null) {
diff --git a/api/incubator/src/main/java/io/opentelemetry/api/incubator/common/ExtendedAttributesBuilder.java b/api/incubator/src/main/java/io/opentelemetry/api/incubator/common/ExtendedAttributesBuilder.java
index 1e0de3b4c38..a7c9ead45bc 100644
--- a/api/incubator/src/main/java/io/opentelemetry/api/incubator/common/ExtendedAttributesBuilder.java
+++ b/api/incubator/src/main/java/io/opentelemetry/api/incubator/common/ExtendedAttributesBuilder.java
@@ -117,7 +117,7 @@ default ExtendedAttributesBuilder put(String key, String... value) {
    *
    * @return this Builder
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // use of raw AttributeKey
   default <T> ExtendedAttributesBuilder put(AttributeKey<List<T>> key, T... value) {
     if (value == null) {
       return this;
diff --git a/api/incubator/src/main/java/io/opentelemetry/api/incubator/logs/ExtendedLogRecordBuilder.java b/api/incubator/src/main/java/io/opentelemetry/api/incubator/logs/ExtendedLogRecordBuilder.java
index de25aabe4d4..7e5c7c0a2a2 100644
--- a/api/incubator/src/main/java/io/opentelemetry/api/incubator/logs/ExtendedLogRecordBuilder.java
+++ b/api/incubator/src/main/java/io/opentelemetry/api/incubator/logs/ExtendedLogRecordBuilder.java
@@ -79,7 +79,7 @@ default ExtendedLogRecordBuilder setBody(Value<?> body) {
    * log record, there is no difference between adding attributes using the standard or extended
    * attribute APIs.
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // use of raw AttributeKey
   @Override
   default ExtendedLogRecordBuilder setAllAttributes(Attributes attributes) {
     if (attributes == null || attributes.isEmpty()) {
@@ -100,7 +100,7 @@ default ExtendedLogRecordBuilder setAllAttributes(Attributes attributes) {
    * log record, there is no difference between adding attributes using the standard or extended
    * attribute APIs.
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // use of raw ExtendedAttributeKey
   default ExtendedLogRecordBuilder setAllAttributes(ExtendedAttributes attributes) {
     if (attributes == null || attributes.isEmpty()) {
       return this;
diff --git a/context/src/main/java/io/opentelemetry/context/ArrayBasedContext.java b/context/src/main/java/io/opentelemetry/context/ArrayBasedContext.java
index ba3f22559eb..9d2819a3b62 100644
--- a/context/src/main/java/io/opentelemetry/context/ArrayBasedContext.java
+++ b/context/src/main/java/io/opentelemetry/context/ArrayBasedContext.java
@@ -56,7 +56,7 @@ private ArrayBasedContext(Object[] entries) {
   public <V> V get(ContextKey<V> key) {
     for (int i = 0; i < entries.length; i += 2) {
       if (entries[i] == key) {
-        @SuppressWarnings("unchecked")
+        @SuppressWarnings("unchecked") // entries are typed as Object[]
         V result = (V) entries[i + 1];
         return result;
       }
diff --git a/context/src/main/java/io/opentelemetry/context/internal/shaded/WeakConcurrentMap.java b/context/src/main/java/io/opentelemetry/context/internal/shaded/WeakConcurrentMap.java
index 2580e0c8249..85767bda6a5 100644
--- a/context/src/main/java/io/opentelemetry/context/internal/shaded/WeakConcurrentMap.java
+++ b/context/src/main/java/io/opentelemetry/context/internal/shaded/WeakConcurrentMap.java
@@ -135,7 +135,7 @@ public WeakConcurrentMap(
   }
 
   @Override
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // safe cast to LookupKey<K>
   protected LookupKey<K> getLookupKey(K key) {
     LookupKey<K> lookupKey;
     if (reuseKeys) {
diff --git a/dependencyManagement/build.gradle.kts b/dependencyManagement/build.gradle.kts
index 85fe78b2dcf..21de8e94d61 100644
--- a/dependencyManagement/build.gradle.kts
+++ b/dependencyManagement/build.gradle.kts
@@ -9,7 +9,7 @@ rootProject.extra["versions"] = dependencyVersions
 
 
 val autoValueVersion = "1.11.1"
-val errorProneVersion = "2.43.0"
+val errorProneVersion = "2.44.0"
 val jmhVersion = "1.37"
 // Mockito 5.x.x requires Java 11 https://github.com/mockito/mockito/releases/tag/v5.0.0
 val mockitoVersion = "4.11.0"
diff --git a/exporters/common/src/main/java/io/opentelemetry/exporter/internal/marshal/MarshalerContext.java b/exporters/common/src/main/java/io/opentelemetry/exporter/internal/marshal/MarshalerContext.java
index 80d01e84392..fda879b0546 100644
--- a/exporters/common/src/main/java/io/opentelemetry/exporter/internal/marshal/MarshalerContext.java
+++ b/exporters/common/src/main/java/io/opentelemetry/exporter/internal/marshal/MarshalerContext.java
@@ -138,7 +138,7 @@ void reset() {
   private final Pool<Map<?, ?>> mapPool = new Pool<>(IdentityHashMap::new, Map::clear);
 
   /** Returns a pooled identity map. */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // generic K,V
   public <K, V> Map<K, V> getIdentityMap() {
     return (Map<K, V>) mapPool.get();
   }
@@ -146,7 +146,7 @@ public <K, V> Map<K, V> getIdentityMap() {
   private final Pool<List<?>> listPool = new Pool<>(ArrayList::new, List::clear);
 
   /** Returns a pooled list. */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // generic T
   public <T> List<T> getList() {
     return (List<T>) listPool.get();
   }
@@ -220,7 +220,7 @@ public static Key key() {
 
   private Object[] instances = new Object[16];
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to generic T
   public <T> T getInstance(Key key, Supplier<T> supplier) {
     if (key.index >= instances.length) {
       Object[] newData = new Object[instances.length * 2];
diff --git a/exporters/common/src/main/java/io/opentelemetry/exporter/internal/marshal/Serializer.java b/exporters/common/src/main/java/io/opentelemetry/exporter/internal/marshal/Serializer.java
index e8e549544ca..e746e2b0d2b 100644
--- a/exporters/common/src/main/java/io/opentelemetry/exporter/internal/marshal/Serializer.java
+++ b/exporters/common/src/main/java/io/opentelemetry/exporter/internal/marshal/Serializer.java
@@ -518,7 +518,7 @@ public abstract <T> void serializeRepeatedMessageWithContext(
    * together with {@link StatelessMarshalerUtil#sizeRepeatedMessageWithContext(ProtoFieldInfo,
    * Collection, StatelessMarshaler, MarshalerContext, MarshalerContext.Key)}.
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to List<T>
   public <T> void serializeRepeatedMessageWithContext(
       ProtoFieldInfo field,
       Collection<? extends T> messages,
diff --git a/exporters/common/src/main/java/io/opentelemetry/exporter/internal/marshal/StatelessMarshalerUtil.java b/exporters/common/src/main/java/io/opentelemetry/exporter/internal/marshal/StatelessMarshalerUtil.java
index 793f90cc9ae..e9fabe39e3d 100644
--- a/exporters/common/src/main/java/io/opentelemetry/exporter/internal/marshal/StatelessMarshalerUtil.java
+++ b/exporters/common/src/main/java/io/opentelemetry/exporter/internal/marshal/StatelessMarshalerUtil.java
@@ -144,7 +144,7 @@ public static <T> int sizeRepeatedMessageWithContext(
    * together with {@link Serializer#serializeRepeatedMessageWithContext(ProtoFieldInfo, Collection,
    * StatelessMarshaler, MarshalerContext, MarshalerContext.Key)}.
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // safe cast to List<T>
   public static <T> int sizeRepeatedMessageWithContext(
       ProtoFieldInfo field,
       Collection<? extends T> messages,
diff --git a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AnyValueMarshaler.java b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AnyValueMarshaler.java
index 327ad471e4e..b6b289f0a93 100644
--- a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AnyValueMarshaler.java
+++ b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AnyValueMarshaler.java
@@ -21,7 +21,7 @@ public final class AnyValueMarshaler {
 
   private AnyValueMarshaler() {}
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // Safe by discriminated type
   public static MarshalerWithSize create(Value<?> value) {
     switch (value.getType()) {
       case STRING:
diff --git a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AnyValueStatelessMarshaler.java b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AnyValueStatelessMarshaler.java
index bad0d9060d5..b2dc8441fc6 100644
--- a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AnyValueStatelessMarshaler.java
+++ b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AnyValueStatelessMarshaler.java
@@ -27,7 +27,7 @@ public final class AnyValueStatelessMarshaler implements StatelessMarshaler<Valu
 
   private AnyValueStatelessMarshaler() {}
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // Safe by discriminated type
   @Override
   public void writeTo(Serializer output, Value<?> value, MarshalerContext context)
       throws IOException {
@@ -71,7 +71,7 @@ public void writeTo(Serializer output, Value<?> value, MarshalerContext context)
     throw new IllegalArgumentException("Unsupported value type.");
   }
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // Safe by discriminated type
   @Override
   public int getBinarySerializedSize(Value<?> value, MarshalerContext context) {
     switch (value.getType()) {
diff --git a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AttributeArrayAnyValueStatelessMarshaler.java b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AttributeArrayAnyValueStatelessMarshaler.java
index db92ca1e7dc..9277c0b08b0 100644
--- a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AttributeArrayAnyValueStatelessMarshaler.java
+++ b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AttributeArrayAnyValueStatelessMarshaler.java
@@ -22,7 +22,7 @@ final class AttributeArrayAnyValueStatelessMarshaler<T>
 
   private AttributeArrayAnyValueStatelessMarshaler() {}
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // Safe by discriminated type
   @Override
   public void writeTo(Serializer output, AttributeType type, List<T> list, MarshalerContext context)
       throws IOException {
@@ -57,7 +57,7 @@ public void writeTo(Serializer output, AttributeType type, List<T> list, Marshal
     }
   }
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // Safe by discriminated type
   @Override
   public int getBinarySerializedSize(AttributeType type, List<T> list, MarshalerContext context) {
     switch (type) {
diff --git a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AttributeKeyValue.java b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AttributeKeyValue.java
index 2b3cc82519e..c2b1f0d51c8 100644
--- a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AttributeKeyValue.java
+++ b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AttributeKeyValue.java
@@ -32,7 +32,7 @@ static <T> AttributeKeyValue<T> of(AttributeKey<T> attributeKey, T value) {
   }
 
   /** Returns a List corresponding to the provided Map. This is a copy, not a view. */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // Safe as we are just iterating over the map entries
   static <T> List<AttributeKeyValue<?>> of(Attributes attributes) {
     List<AttributeKeyValue<?>> result = new ArrayList<>(attributes.size());
     attributes.forEach(
diff --git a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AttributeKeyValueStatelessMarshaler.java b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AttributeKeyValueStatelessMarshaler.java
index 3fb1f7c25f6..c0b12c014fd 100644
--- a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AttributeKeyValueStatelessMarshaler.java
+++ b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/AttributeKeyValueStatelessMarshaler.java
@@ -72,7 +72,7 @@ private static class ValueStatelessMarshaler
       implements StatelessMarshaler2<AttributeKey<?>, Object> {
     static final ValueStatelessMarshaler INSTANCE = new ValueStatelessMarshaler();
 
-    @SuppressWarnings("unchecked")
+    @SuppressWarnings("unchecked") // Safe by discriminated type
     @Override
     public int getBinarySerializedSize(
         AttributeKey<?> attributeKey, Object value, MarshalerContext context) {
@@ -106,7 +106,7 @@ public int getBinarySerializedSize(
       throw new IllegalArgumentException("Unsupported attribute type.");
     }
 
-    @SuppressWarnings("unchecked")
+    @SuppressWarnings("unchecked") // Safe by discriminated type
     @Override
     public void writeTo(
         Serializer output, AttributeKey<?> attributeKey, Object value, MarshalerContext context)
diff --git a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/ExtendedAttributeKeyValueStatelessMarshaler.java b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/ExtendedAttributeKeyValueStatelessMarshaler.java
index de31139abcb..63ceaa9dbf8 100644
--- a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/ExtendedAttributeKeyValueStatelessMarshaler.java
+++ b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/ExtendedAttributeKeyValueStatelessMarshaler.java
@@ -140,7 +140,7 @@ private static class ValueStatelessMarshaler
       implements StatelessMarshaler2<ExtendedAttributeKey<?>, Object> {
     static final ValueStatelessMarshaler INSTANCE = new ValueStatelessMarshaler();
 
-    @SuppressWarnings("unchecked")
+    @SuppressWarnings("unchecked") // Safe by discriminated type
     @Override
     public int getBinarySerializedSize(
         ExtendedAttributeKey<?> attributeKey, Object value, MarshalerContext context) {
@@ -180,7 +180,7 @@ public int getBinarySerializedSize(
       throw new IllegalArgumentException("Unsupported attribute type.");
     }
 
-    @SuppressWarnings("unchecked")
+    @SuppressWarnings("unchecked") // Safe by discriminated type
     @Override
     public void writeTo(
         Serializer output,
diff --git a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/IncubatingUtil.java b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/IncubatingUtil.java
index 90660fd5a85..6429effb643 100644
--- a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/IncubatingUtil.java
+++ b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/IncubatingUtil.java
@@ -80,7 +80,7 @@ public void accept(ExtendedAttributeKey<?> attributeKey, Object o) {
   }
 
   // TODO(jack-berg): move to KeyValueMarshaler when ExtendedAttributes is stable
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // casting to specific types based on attributeKey type
   private static KeyValueMarshaler create(ExtendedAttributeKey<?> attributeKey, Object value) {
     byte[] keyUtf8;
     if (attributeKey.getKey().isEmpty()) {
diff --git a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/KeyValueMarshaler.java b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/KeyValueMarshaler.java
index ec7dd47f10b..d085f37e596 100644
--- a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/KeyValueMarshaler.java
+++ b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/internal/otlp/KeyValueMarshaler.java
@@ -88,7 +88,7 @@ public void accept(AttributeKeyValue<?> attributeKeyValue) {
     return keyValueMarshalers;
   }
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // Safe by disriminated type
   private static KeyValueMarshaler create(AttributeKey<?> attributeKey, Object value) {
     byte[] keyUtf8;
     if (attributeKey.getKey().isEmpty()) {
diff --git a/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractGrpcTelemetryExporterTest.java b/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractGrpcTelemetryExporterTest.java
index 908dd454631..fbc84b5f5d4 100644
--- a/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractGrpcTelemetryExporterTest.java
+++ b/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractGrpcTelemetryExporterTest.java
@@ -1202,7 +1202,7 @@ private List<U> toProto(List<T> telemetry) {
               ByteArrayOutputStream bos = new ByteArrayOutputStream();
               try {
                 marshaler.writeBinaryTo(bos);
-                @SuppressWarnings("unchecked")
+                @SuppressWarnings("unchecked") // cast to U
                 U result =
                     (U)
                         resourceTelemetryInstance
diff --git a/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractHttpTelemetryExporterTest.java b/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractHttpTelemetryExporterTest.java
index 4714ea5a542..afc3cbf82e3 100644
--- a/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractHttpTelemetryExporterTest.java
+++ b/exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractHttpTelemetryExporterTest.java
@@ -1090,7 +1090,7 @@ private List<U> toProto(List<T> telemetry) {
               ByteArrayOutputStream bos = new ByteArrayOutputStream();
               try {
                 marshaler.writeBinaryTo(bos);
-                @SuppressWarnings("unchecked")
+                @SuppressWarnings("unchecked") // safe cast to U
                 U result =
                     (U)
                         resourceTelemetryInstance
diff --git a/opentracing-shim/src/main/java/io/opentelemetry/opentracingshim/SpanBuilderShim.java b/opentracing-shim/src/main/java/io/opentelemetry/opentracingshim/SpanBuilderShim.java
index 9a0b845bc40..7b9e04c332e 100644
--- a/opentracing-shim/src/main/java/io/opentelemetry/opentracingshim/SpanBuilderShim.java
+++ b/opentracing-shim/src/main/java/io/opentelemetry/opentracingshim/SpanBuilderShim.java
@@ -186,7 +186,7 @@ public SpanBuilder withStartTimestamp(long microseconds) {
     return this;
   }
 
-  @SuppressWarnings({"rawtypes", "unchecked"})
+  @SuppressWarnings({"rawtypes", "unchecked"}) // use of raw AttributeKey
   @Override
   public Span start() {
     Baggage baggage;
diff --git a/sdk-extensions/incubator/src/main/java/io/opentelemetry/sdk/extension/incubator/fileconfig/AttributeListFactory.java b/sdk-extensions/incubator/src/main/java/io/opentelemetry/sdk/extension/incubator/fileconfig/AttributeListFactory.java
index dbee194edb6..99bdbc6fe62 100644
--- a/sdk-extensions/incubator/src/main/java/io/opentelemetry/sdk/extension/incubator/fileconfig/AttributeListFactory.java
+++ b/sdk-extensions/incubator/src/main/java/io/opentelemetry/sdk/extension/incubator/fileconfig/AttributeListFactory.java
@@ -119,7 +119,7 @@ private static void addToBuilder(
             + type.name());
   }
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // safe due to type check
   @Nullable
   private static <T> List<T> checkListOfType(Object value, Class<T> expectedType) {
     if (!(value instanceof List)) {
diff --git a/sdk-extensions/incubator/src/main/java/io/opentelemetry/sdk/extension/incubator/fileconfig/YamlDeclarativeConfigProperties.java b/sdk-extensions/incubator/src/main/java/io/opentelemetry/sdk/extension/incubator/fileconfig/YamlDeclarativeConfigProperties.java
index 149d43da36f..ce3e9468e3b 100644
--- a/sdk-extensions/incubator/src/main/java/io/opentelemetry/sdk/extension/incubator/fileconfig/YamlDeclarativeConfigProperties.java
+++ b/sdk-extensions/incubator/src/main/java/io/opentelemetry/sdk/extension/incubator/fileconfig/YamlDeclarativeConfigProperties.java
@@ -73,7 +73,7 @@ private YamlDeclarativeConfigProperties(
    *
    * @see DeclarativeConfiguration#toConfigProperties(Object)
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // Safe due to type checks
   public static YamlDeclarativeConfigProperties create(
       Map<String, Object> properties, ComponentLoader componentLoader) {
     Map<String, Object> simpleEntries = new LinkedHashMap<>();
@@ -192,7 +192,7 @@ public Double getDouble(String name) {
 
   @Nullable
   @Override
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // Safe due to type check
   public <T> List<T> getScalarList(String name, Class<T> scalarType) {
     if (!SUPPORTED_SCALAR_TYPES.contains(scalarType)) {
       throw new DeclarativeConfigException(
diff --git a/sdk-extensions/incubator/src/main/java/io/opentelemetry/sdk/extension/incubator/metric/viewconfig/ViewConfig.java b/sdk-extensions/incubator/src/main/java/io/opentelemetry/sdk/extension/incubator/metric/viewconfig/ViewConfig.java
index 9c08770d072..9eae84cb19e 100644
--- a/sdk-extensions/incubator/src/main/java/io/opentelemetry/sdk/extension/incubator/metric/viewconfig/ViewConfig.java
+++ b/sdk-extensions/incubator/src/main/java/io/opentelemetry/sdk/extension/incubator/metric/viewconfig/ViewConfig.java
@@ -94,7 +94,7 @@ public static void registerViews(
   }
 
   // Visible for testing
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // safe due to isInstance checks
   static List<ViewConfigSpecification> loadViewConfig(InputStream inputStream) {
     LoadSettings settings = LoadSettings.builder().build();
     Load yaml = new Load(settings);
@@ -150,7 +150,7 @@ static List<ViewConfigSpecification> loadViewConfig(InputStream inputStream) {
   }
 
   @Nullable
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // safe due to isInstance check
   private static <T> T getAsType(Map<String, Object> map, String key, Class<T> type) {
     Object value = map.get(key);
     if (value != null && !type.isInstance(value)) {
@@ -222,7 +222,7 @@ static Aggregation toAggregation(String aggregationName, Map<String, Object> agg
   }
 
   @Nullable
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // safe due to isInstance check
   private static List<Double> getBucketBoundaries(Map<String, Object> aggregationArgs) {
     List<Object> boundaryObjects =
         ((List<Object>) getAsType(aggregationArgs, "bucket_boundaries", List.class));
diff --git a/sdk/common/src/main/java/io/opentelemetry/sdk/internal/AttributesMap.java b/sdk/common/src/main/java/io/opentelemetry/sdk/internal/AttributesMap.java
index 2e481723c9c..783c2d03255 100644
--- a/sdk/common/src/main/java/io/opentelemetry/sdk/internal/AttributesMap.java
+++ b/sdk/common/src/main/java/io/opentelemetry/sdk/internal/AttributesMap.java
@@ -79,7 +79,7 @@ public int getTotalAddedValues() {
     return totalAddedValues;
   }
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to T
   @Override
   @Nullable
   public <T> T get(AttributeKey<T> key) {
diff --git a/sdk/common/src/main/java/io/opentelemetry/sdk/internal/ExtendedAttributesMap.java b/sdk/common/src/main/java/io/opentelemetry/sdk/internal/ExtendedAttributesMap.java
index 52959b1b617..b3a48535657 100644
--- a/sdk/common/src/main/java/io/opentelemetry/sdk/internal/ExtendedAttributesMap.java
+++ b/sdk/common/src/main/java/io/opentelemetry/sdk/internal/ExtendedAttributesMap.java
@@ -75,7 +75,7 @@ public int getTotalAddedValues() {
     return totalAddedValues;
   }
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to T
   @Nullable
   @Override
   public <T> T get(ExtendedAttributeKey<T> key) {
diff --git a/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/ReadWriteLogRecord.java b/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/ReadWriteLogRecord.java
index d785f61c68d..80f7c0bf26a 100644
--- a/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/ReadWriteLogRecord.java
+++ b/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/ReadWriteLogRecord.java
@@ -39,7 +39,7 @@ public interface ReadWriteLogRecord {
    * @return this.
    * @since 1.31.0
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to AttributeKey<Object>
   default ReadWriteLogRecord setAllAttributes(Attributes attributes) {
     if (attributes == null || attributes.isEmpty()) {
       return this;
diff --git a/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/internal/ExtendedReadWriteLogRecord.java b/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/internal/ExtendedReadWriteLogRecord.java
index 527c1e14063..6b3f8d0001e 100644
--- a/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/internal/ExtendedReadWriteLogRecord.java
+++ b/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/internal/ExtendedReadWriteLogRecord.java
@@ -36,7 +36,7 @@ public interface ExtendedReadWriteLogRecord extends ReadWriteLogRecord {
    * @param extendedAttributes the attributes
    * @return this.
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to ExtendedAttributeKey<Object>
   default ExtendedReadWriteLogRecord setAllAttributes(ExtendedAttributes extendedAttributes) {
     if (extendedAttributes == null || extendedAttributes.isEmpty()) {
       return this;
diff --git a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/data/MetricData.java b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/data/MetricData.java
index 771854341e6..b55a9eb0f40 100644
--- a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/data/MetricData.java
+++ b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/data/MetricData.java
@@ -95,7 +95,7 @@ default boolean isEmpty() {
    * Returns the {@code double} {@link GaugeData} if type is {@link MetricDataType#DOUBLE_GAUGE},
    * otherwise a default empty data.
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to GaugeData<DoublePointData>
   default GaugeData<DoublePointData> getDoubleGaugeData() {
     if (getType() == MetricDataType.DOUBLE_GAUGE) {
       return (GaugeData<DoublePointData>) getData();
@@ -107,7 +107,7 @@ default GaugeData<DoublePointData> getDoubleGaugeData() {
    * Returns the {@code long} {@link GaugeData} if type is {@link MetricDataType#LONG_GAUGE},
    * otherwise a default empty data.
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to GaugeData<LongPointData>
   default GaugeData<LongPointData> getLongGaugeData() {
     if (getType() == MetricDataType.LONG_GAUGE) {
       return (GaugeData<LongPointData>) getData();
@@ -119,7 +119,7 @@ default GaugeData<LongPointData> getLongGaugeData() {
    * Returns the {@code double} {@link SumData} if type is {@link MetricDataType#DOUBLE_SUM},
    * otherwise a default empty data.
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to SumData<DoublePointData>
   default SumData<DoublePointData> getDoubleSumData() {
     if (getType() == MetricDataType.DOUBLE_SUM) {
       return (SumData<DoublePointData>) getData();
@@ -131,7 +131,7 @@ default SumData<DoublePointData> getDoubleSumData() {
    * Returns the {@code long} {@link SumData} if type is {@link MetricDataType#LONG_SUM}, otherwise
    * a default empty data.
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to SumData<LongPointData>
   default SumData<LongPointData> getLongSumData() {
     if (getType() == MetricDataType.LONG_SUM) {
       return (SumData<LongPointData>) getData();
diff --git a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/data/ImmutableGaugeData.java b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/data/ImmutableGaugeData.java
index 37828739338..c84b6b1f312 100644
--- a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/data/ImmutableGaugeData.java
+++ b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/data/ImmutableGaugeData.java
@@ -25,8 +25,7 @@ public abstract class ImmutableGaugeData<T extends PointData> implements GaugeDa
   private static final ImmutableGaugeData<DoublePointData> EMPTY =
       ImmutableGaugeData.create(Collections.emptyList());
 
-  // Type doesn't matter for an empty list.
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // Type doesn't matter for an empty list.
   public static <T extends PointData> ImmutableGaugeData<T> empty() {
     return (ImmutableGaugeData<T>) EMPTY;
   }
diff --git a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/data/ImmutableSumData.java b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/data/ImmutableSumData.java
index 0b11060ebb4..3cab80a9265 100644
--- a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/data/ImmutableSumData.java
+++ b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/data/ImmutableSumData.java
@@ -28,8 +28,7 @@ public abstract class ImmutableSumData<T extends PointData> implements SumData<T
       ImmutableSumData.create(
           /* isMonotonic= */ false, AggregationTemporality.CUMULATIVE, Collections.emptyList());
 
-  // Type doesn't matter for an empty list.
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // Type doesn't matter for an empty list.
   public static <T extends PointData> ImmutableSumData<T> empty() {
     return (ImmutableSumData<T>) EMPTY;
   }
diff --git a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/state/ArrayBasedStack.java b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/state/ArrayBasedStack.java
index 907ec7e2234..cde1d5ebe49 100644
--- a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/state/ArrayBasedStack.java
+++ b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/state/ArrayBasedStack.java
@@ -25,7 +25,7 @@ public final class ArrayBasedStack<T> {
 
   private int size;
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // unchecked cast to T[]
   public ArrayBasedStack() {
     array = (T[]) new Object[DEFAULT_CAPACITY];
     size = 0;
@@ -71,7 +71,7 @@ public int size() {
     return size;
   }
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // unchecked cast to T[]
   private void resizeArray(int newCapacity) {
     T[] newArray = (T[]) new Object[newCapacity];
     System.arraycopy(array, 0, newArray, 0, size);
diff --git a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/state/MetricStorageRegistry.java b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/state/MetricStorageRegistry.java
index 34bfd577a86..70b95e3fa64 100644
--- a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/state/MetricStorageRegistry.java
+++ b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/state/MetricStorageRegistry.java
@@ -55,7 +55,7 @@ public Collection<MetricStorage> getStorages() {
    * @return the {@code newStorage} if no compatible metric is already registered, otherwise the
    *     previously registered storage.
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to I
   public <I extends MetricStorage> I register(I newStorage) {
     MetricDescriptor descriptor = newStorage.getMetricDescriptor();
     I oldOrNewStorage;
diff --git a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/state/PooledHashMap.java b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/state/PooledHashMap.java
index 8975a9ec84e..61540f755b3 100644
--- a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/state/PooledHashMap.java
+++ b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/state/PooledHashMap.java
@@ -111,7 +111,7 @@ public V put(K key, V value) {
     return null;
   }
 
-  @SuppressWarnings({"unchecked"})
+  @SuppressWarnings({"unchecked"}) // generic array creation
   private void rehash() {
     ArrayList<Entry<K, V>>[] oldTable = table;
     table = (ArrayList<Entry<K, V>>[]) new ArrayList<?>[2 * oldTable.length];
@@ -139,7 +139,7 @@ private void rehash() {
    */
   @Override
   @Nullable
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to K
   public V get(Object key) {
     requireNonNull(key, "This map does not support null keys");
 
@@ -164,7 +164,7 @@ public V get(Object key) {
    */
   @Override
   @Nullable
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to K
   public V remove(Object key) {
     requireNonNull(key, "This map does not support null keys");
 
diff --git a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/Base2ExponentialHistogramAggregation.java b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/Base2ExponentialHistogramAggregation.java
index 870ac9f4d89..a826cec7e67 100644
--- a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/Base2ExponentialHistogramAggregation.java
+++ b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/Base2ExponentialHistogramAggregation.java
@@ -64,7 +64,7 @@ public static Aggregation create(int maxBuckets, int maxScale) {
   }
 
   @Override
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to generic Aggregator<T>
   public <T extends PointData> Aggregator<T> createAggregator(
       InstrumentDescriptor instrumentDescriptor,
       ExemplarFilterInternal exemplarFilter,
diff --git a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/DropAggregation.java b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/DropAggregation.java
index 592c74f013a..81f10313725 100644
--- a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/DropAggregation.java
+++ b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/DropAggregation.java
@@ -30,7 +30,7 @@ public static Aggregation getInstance() {
   private DropAggregation() {}
 
   @Override
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to generic Aggregator<T>
   public <T extends PointData> Aggregator<T> createAggregator(
       InstrumentDescriptor instrumentDescriptor,
       ExemplarFilterInternal exemplarFilter,
diff --git a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/ExplicitBucketHistogramAggregation.java b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/ExplicitBucketHistogramAggregation.java
index d4af55fd0ad..e34e8a81ab0 100644
--- a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/ExplicitBucketHistogramAggregation.java
+++ b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/ExplicitBucketHistogramAggregation.java
@@ -48,7 +48,7 @@ private ExplicitBucketHistogramAggregation(List<Double> bucketBoundaries) {
   }
 
   @Override
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to generic Aggregator<T>
   public <T extends PointData> Aggregator<T> createAggregator(
       InstrumentDescriptor instrumentDescriptor,
       ExemplarFilterInternal exemplarFilter,
diff --git a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/FilteredAttributes.java b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/FilteredAttributes.java
index d71616c20e8..881bac4eaa2 100644
--- a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/FilteredAttributes.java
+++ b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/FilteredAttributes.java
@@ -30,7 +30,7 @@
  * must be used for all keys in that map. You cannot mix {@link Attributes} implementations. This is
  * also true for the default attributes implementation.
  */
-@SuppressWarnings("unchecked")
+@SuppressWarnings("unchecked") // lots of generic casting of AttributeKey<?>
 abstract class FilteredAttributes implements Attributes {
 
   // Backing source data from ImmutableKeyValuePairs.data. This array MUST NOT be mutated.
diff --git a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/LastValueAggregation.java b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/LastValueAggregation.java
index ee2a0e98d24..aa71fb70207 100644
--- a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/LastValueAggregation.java
+++ b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/LastValueAggregation.java
@@ -36,7 +36,7 @@ public static Aggregation getInstance() {
   private LastValueAggregation() {}
 
   @Override
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to generic Aggregator<T>
   public <T extends PointData> Aggregator<T> createAggregator(
       InstrumentDescriptor instrumentDescriptor,
       ExemplarFilterInternal exemplarFilter,
diff --git a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/SumAggregation.java b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/SumAggregation.java
index 42a003182be..c12935b9823 100644
--- a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/SumAggregation.java
+++ b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/internal/view/SumAggregation.java
@@ -34,7 +34,7 @@ public static Aggregation getInstance() {
   private SumAggregation() {}
 
   @Override
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to generic Aggregator<T>
   public <T extends PointData> Aggregator<T> createAggregator(
       InstrumentDescriptor instrumentDescriptor,
       ExemplarFilterInternal exemplarFilter,
diff --git a/sdk/testing/src/main/java/io/opentelemetry/sdk/testing/assertj/AssertUtil.java b/sdk/testing/src/main/java/io/opentelemetry/sdk/testing/assertj/AssertUtil.java
index 5ff3d40f14b..3934fb60cd1 100644
--- a/sdk/testing/src/main/java/io/opentelemetry/sdk/testing/assertj/AssertUtil.java
+++ b/sdk/testing/src/main/java/io/opentelemetry/sdk/testing/assertj/AssertUtil.java
@@ -28,7 +28,7 @@ static <T, U extends AbstractAssert<U, T>> Consumer<T>[] toConsumers(
     for (Consumer<U> assertion : assertions) {
       builder.add(item -> assertion.accept(assertionFactory.apply(item)));
     }
-    @SuppressWarnings({"rawtypes", "unchecked"})
+    @SuppressWarnings({"rawtypes", "unchecked"}) // generic array creation
     Consumer<T>[] consumers = builder.build().toArray(Consumer[]::new);
     return consumers;
   }
diff --git a/sdk/testing/src/main/java/io/opentelemetry/sdk/testing/assertj/AttributeAssertion.java b/sdk/testing/src/main/java/io/opentelemetry/sdk/testing/assertj/AttributeAssertion.java
index 971ff9446ff..68bada127ac 100644
--- a/sdk/testing/src/main/java/io/opentelemetry/sdk/testing/assertj/AttributeAssertion.java
+++ b/sdk/testing/src/main/java/io/opentelemetry/sdk/testing/assertj/AttributeAssertion.java
@@ -20,7 +20,7 @@ public abstract class AttributeAssertion {
 
   // This method is not type-safe! But because the constructor is private, we know it will only be
   // created through our factories, which are type-safe.
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // see comment above
   static AttributeAssertion create(
       AttributeKey<?> key, Consumer<? extends AbstractAssert<?, ?>> assertion) {
     return new AutoValue_AttributeAssertion(key, (Consumer<AbstractAssert<?, ?>>) assertion);
diff --git a/sdk/trace-shaded-deps/src/main/java/io/opentelemetry/sdk/trace/internal/JcTools.java b/sdk/trace-shaded-deps/src/main/java/io/opentelemetry/sdk/trace/internal/JcTools.java
index 1ea3a6d8778..1b57350a8bb 100644
--- a/sdk/trace-shaded-deps/src/main/java/io/opentelemetry/sdk/trace/internal/JcTools.java
+++ b/sdk/trace-shaded-deps/src/main/java/io/opentelemetry/sdk/trace/internal/JcTools.java
@@ -39,7 +39,7 @@ public static long capacity(Queue<?> queue) {
    * @throws IllegalArgumentException consumer is {@code null}
    * @throws IllegalArgumentException if maxExportBatchSize is negative
    */
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("unchecked") // cast to MessagePassingQueue<T>
   public static <T> int drain(Queue<T> queue, int limit, Consumer<T> consumer) {
     return ((MessagePassingQueue<T>) queue).drain(consumer::accept, limit);
   }
diff --git a/sdk/trace/src/main/java/io/opentelemetry/sdk/trace/SdkSpanBuilder.java b/sdk/trace/src/main/java/io/opentelemetry/sdk/trace/SdkSpanBuilder.java
index c0f872265ec..2575a5722b6 100644
--- a/sdk/trace/src/main/java/io/opentelemetry/sdk/trace/SdkSpanBuilder.java
+++ b/sdk/trace/src/main/java/io/opentelemetry/sdk/trace/SdkSpanBuilder.java
@@ -164,7 +164,7 @@ public SpanBuilder setStartTimestamp(long startTimestamp, TimeUnit unit) {
   }
 
   @Override
-  @SuppressWarnings({"unchecked", "rawtypes"})
+  @SuppressWarnings({"unchecked", "rawtypes"}) // use of raw AttributeKey
   public Span startSpan() {
     Context parentContext = parent == null ? Context.current() : parent;
     Span parentSpan = Span.fromContext(parentContext);