diff --git a/libs/langchain/tests/unit_tests/callbacks/test_base.py b/libs/langchain/tests/unit_tests/callbacks/test_base.py
new file mode 100644
index 00000000000..62760e032df
--- /dev/null
+++ b/libs/langchain/tests/unit_tests/callbacks/test_base.py
@@ -0,0 +1,18 @@
+from langchain.callbacks.base import __all__
+
+EXPECTED_ALL = [
+    "RetrieverManagerMixin",
+    "LLMManagerMixin",
+    "ChainManagerMixin",
+    "ToolManagerMixin",
+    "CallbackManagerMixin",
+    "RunManagerMixin",
+    "BaseCallbackHandler",
+    "AsyncCallbackHandler",
+    "BaseCallbackManager",
+    "Callbacks",
+]
+
+
+def test_all_imports() -> None:
+    assert set(__all__) == set(EXPECTED_ALL)
diff --git a/libs/langchain/tests/unit_tests/callbacks/test_manager.py b/libs/langchain/tests/unit_tests/callbacks/test_manager.py
new file mode 100644
index 00000000000..3ddfb4f0c7b
--- /dev/null
+++ b/libs/langchain/tests/unit_tests/callbacks/test_manager.py
@@ -0,0 +1,34 @@
+from langchain.callbacks.manager import __all__
+
+EXPECTED_ALL = [
+    "BaseRunManager",
+    "RunManager",
+    "ParentRunManager",
+    "AsyncRunManager",
+    "AsyncParentRunManager",
+    "CallbackManagerForLLMRun",
+    "AsyncCallbackManagerForLLMRun",
+    "CallbackManagerForChainRun",
+    "AsyncCallbackManagerForChainRun",
+    "CallbackManagerForToolRun",
+    "AsyncCallbackManagerForToolRun",
+    "CallbackManagerForRetrieverRun",
+    "AsyncCallbackManagerForRetrieverRun",
+    "CallbackManager",
+    "CallbackManagerForChainGroup",
+    "AsyncCallbackManager",
+    "AsyncCallbackManagerForChainGroup",
+    "tracing_enabled",
+    "tracing_v2_enabled",
+    "collect_runs",
+    "atrace_as_chain_group",
+    "trace_as_chain_group",
+    "handle_event",
+    "ahandle_event",
+    "env_var_is_set",
+    "Callbacks",
+]
+
+
+def test_all_imports() -> None:
+    assert set(__all__) == set(EXPECTED_ALL)