diff --git a/lib/shared/common/src/main/java/com/launchdarkly/sdk/collections/package-info.java b/lib/shared/common/src/main/java/com/launchdarkly/sdk/collections/package-info.java
deleted file mode 100644
index f556d829..00000000
--- a/lib/shared/common/src/main/java/com/launchdarkly/sdk/collections/package-info.java
+++ /dev/null
@@ -1,4 +0,0 @@
-/**
- * Collections for use in LaunchDarkly SDKs and components.
- */
-package com.launchdarkly.sdk.collections;
diff --git a/lib/shared/common/src/test/java/com/launchdarkly/sdk/collections/package-info.java b/lib/shared/common/src/test/java/com/launchdarkly/sdk/collections/package-info.java
deleted file mode 100644
index 5fef164e..00000000
--- a/lib/shared/common/src/test/java/com/launchdarkly/sdk/collections/package-info.java
+++ /dev/null
@@ -1,4 +0,0 @@
-/**
- * Tests for collections.
- */
-package com.launchdarkly.sdk.collections;
diff --git a/lib/shared/common/src/main/java/com/launchdarkly/sdk/collections/IterableAsyncQueue.java b/lib/shared/internal/src/main/java/com/launchdarkly/sdk/internal/collections/IterableAsyncQueue.java
similarity index 98%
rename from lib/shared/common/src/main/java/com/launchdarkly/sdk/collections/IterableAsyncQueue.java
rename to lib/shared/internal/src/main/java/com/launchdarkly/sdk/internal/collections/IterableAsyncQueue.java
index 59603e5b..7593c36f 100644
--- a/lib/shared/common/src/main/java/com/launchdarkly/sdk/collections/IterableAsyncQueue.java
+++ b/lib/shared/internal/src/main/java/com/launchdarkly/sdk/internal/collections/IterableAsyncQueue.java
@@ -1,4 +1,4 @@
-package com.launchdarkly.sdk.collections;
+package com.launchdarkly.sdk.internal.collections;
 
 import java.util.LinkedList;
 import java.util.concurrent.CompletableFuture;
diff --git a/lib/shared/internal/src/main/java/com/launchdarkly/sdk/internal/collections/package-info.java b/lib/shared/internal/src/main/java/com/launchdarkly/sdk/internal/collections/package-info.java
new file mode 100644
index 00000000..f7a13094
--- /dev/null
+++ b/lib/shared/internal/src/main/java/com/launchdarkly/sdk/internal/collections/package-info.java
@@ -0,0 +1,7 @@
+/**
+ * Internal collection utilities.
+ * <p>
+ * This package contains collection utilities used internally by the SDK. Classes in this package
+ * are not part of the public API and may change without notice.
+ */
+package com.launchdarkly.sdk.internal.collections;
diff --git a/lib/shared/common/src/test/java/com/launchdarkly/sdk/collections/IterableAsyncQueueTest.java b/lib/shared/internal/src/test/java/com/launchdarkly/sdk/internal/collections/IterableAsyncQueueTest.java
similarity index 99%
rename from lib/shared/common/src/test/java/com/launchdarkly/sdk/collections/IterableAsyncQueueTest.java
rename to lib/shared/internal/src/test/java/com/launchdarkly/sdk/internal/collections/IterableAsyncQueueTest.java
index 59642fb1..57b0aa49 100644
--- a/lib/shared/common/src/test/java/com/launchdarkly/sdk/collections/IterableAsyncQueueTest.java
+++ b/lib/shared/internal/src/test/java/com/launchdarkly/sdk/internal/collections/IterableAsyncQueueTest.java
@@ -1,4 +1,4 @@
-package com.launchdarkly.sdk.collections;
+package com.launchdarkly.sdk.internal.collections;
 
 import org.junit.Test;
 
diff --git a/lib/shared/internal/src/test/java/com/launchdarkly/sdk/internal/collections/package-info.java b/lib/shared/internal/src/test/java/com/launchdarkly/sdk/internal/collections/package-info.java
new file mode 100644
index 00000000..d80acbee
--- /dev/null
+++ b/lib/shared/internal/src/test/java/com/launchdarkly/sdk/internal/collections/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * Tests for internal collection utilities.
+ */
+package com.launchdarkly.sdk.internal.collections;