diff --git a/google/cloud/aiplatform/CMakeLists.txt b/google/cloud/aiplatform/CMakeLists.txt
index 0173ef678ac3a..8c3effaa8966b 100644
--- a/google/cloud/aiplatform/CMakeLists.txt
+++ b/google/cloud/aiplatform/CMakeLists.txt
@@ -33,5 +33,3 @@ if (BUILD_TESTING AND GOOGLE_CLOUD_CPP_ENABLE_CXX_EXCEPTIONS)
     set_tests_properties(aiplatform_quickstart
                          PROPERTIES LABELS "integration-test;quickstart")
 endif ()
-
-add_subdirectory(samples)
diff --git a/google/cloud/generativelanguage/CMakeLists.txt b/google/cloud/generativelanguage/CMakeLists.txt
index 7669ce5573860..dadfcefcd1e80 100644
--- a/google/cloud/generativelanguage/CMakeLists.txt
+++ b/google/cloud/generativelanguage/CMakeLists.txt
@@ -33,5 +33,3 @@ if (BUILD_TESTING AND GOOGLE_CLOUD_CPP_ENABLE_CXX_EXCEPTIONS)
         PROPERTIES LABELS "integration-test;quickstart" PASS_REGULAR_EXPRESSION
                    "Request had insufficient authentication scopes")
 endif ()
-
-add_subdirectory(samples)