diff --git a/testing/export/find_package_file-deprecated.cmake b/testing/export/find_package_file-deprecated.cmake
index 88a1c410..64da1dd5 100644
--- a/testing/export/find_package_file-deprecated.cmake
+++ b/testing/export/find_package_file-deprecated.cmake
@@ -16,5 +16,5 @@
 include(${rapids-cmake-dir}/export/find_package_file.cmake)
 
 project(rapids-project LANGUAGES CUDA)
-
+set(CMAKE_ERROR_DEPRECATED ON)
 rapids_export_find_package_file(BUILD [=[${CMAKE_CURRENT_LIST_DIR}/fake/build/path]=] test_set)
diff --git a/testing/export/find_package_root-deprecated.cmake b/testing/export/find_package_root-deprecated.cmake
index d6a19379..8e635fa1 100644
--- a/testing/export/find_package_root-deprecated.cmake
+++ b/testing/export/find_package_root-deprecated.cmake
@@ -16,5 +16,5 @@
 include(${rapids-cmake-dir}/export/find_package_root.cmake)
 
 project(rapids-project LANGUAGES CUDA)
-
+set(CMAKE_ERROR_DEPRECATED ON)
 rapids_export_find_package_root(BUILD RMM [=[${CMAKE_CURRENT_LIST_DIR}/fake/build/path]=] test_set)