diff --git a/testing/adios2/engine/bp/CMakeLists.txt b/testing/adios2/engine/bp/CMakeLists.txt
index 3104b260c6..bf99106bfa 100644
--- a/testing/adios2/engine/bp/CMakeLists.txt
+++ b/testing/adios2/engine/bp/CMakeLists.txt
@@ -91,8 +91,6 @@ set(CTEST_TEST_TIMEOUT 10)
 bp_gtest_add_tests_helper(WriteReadADIOS2 MPI_ALLOW)
 async_gtest_add_tests_helper(WriteReadADIOS2 MPI_ALLOW)
 
-gtest_add_tests_helper(WriteReadFlatten MPI_ALLOW BP Engine.BP. .BP5 WORKING_DIRECTORY ${BP5_DIR} EXTRA_ARGS "BP5" )
-
 bp_gtest_add_tests_helper(WriteReadADIOS2fstream MPI_ALLOW)
 bp_gtest_add_tests_helper(WriteReadADIOS2stdio MPI_ALLOW)
 bp_gtest_add_tests_helper(WriteReadAsStreamADIOS2 MPI_ALLOW)