diff --git a/scripts/ci/cmake-v2/ci-el8-gcc10-serial.cmake b/scripts/ci/cmake-v2/ci-el8-gcc10-serial.cmake
index 78b7ef0698..107c5b3807 100644
--- a/scripts/ci/cmake-v2/ci-el8-gcc10-serial.cmake
+++ b/scripts/ci/cmake-v2/ci-el8-gcc10-serial.cmake
@@ -21,7 +21,6 @@ CMAKE_CXX_FLAGS:STRING=-Wall
 CMAKE_Fortran_FLAGS:STRING=-Wall
 ")
 
-set(CTEST_TEST_ARGS PARALLEL_LEVEL 1)
 set(CTEST_CMAKE_GENERATOR "Unix Makefiles")
 list(APPEND CTEST_UPDATE_NOTES_FILES "${CMAKE_CURRENT_LIST_FILE}")
 include(${CMAKE_CURRENT_LIST_DIR}/ci-common.cmake)
diff --git a/scripts/ci/cmake-v2/ci-el8-gcc11-serial.cmake b/scripts/ci/cmake-v2/ci-el8-gcc11-serial.cmake
index 78b7ef0698..107c5b3807 100644
--- a/scripts/ci/cmake-v2/ci-el8-gcc11-serial.cmake
+++ b/scripts/ci/cmake-v2/ci-el8-gcc11-serial.cmake
@@ -21,7 +21,6 @@ CMAKE_CXX_FLAGS:STRING=-Wall
 CMAKE_Fortran_FLAGS:STRING=-Wall
 ")
 
-set(CTEST_TEST_ARGS PARALLEL_LEVEL 1)
 set(CTEST_CMAKE_GENERATOR "Unix Makefiles")
 list(APPEND CTEST_UPDATE_NOTES_FILES "${CMAKE_CURRENT_LIST_FILE}")
 include(${CMAKE_CURRENT_LIST_DIR}/ci-common.cmake)
diff --git a/scripts/ci/cmake-v2/ci-el8-gcc8-serial.cmake b/scripts/ci/cmake-v2/ci-el8-gcc8-serial.cmake
index 78b7ef0698..107c5b3807 100644
--- a/scripts/ci/cmake-v2/ci-el8-gcc8-serial.cmake
+++ b/scripts/ci/cmake-v2/ci-el8-gcc8-serial.cmake
@@ -21,7 +21,6 @@ CMAKE_CXX_FLAGS:STRING=-Wall
 CMAKE_Fortran_FLAGS:STRING=-Wall
 ")
 
-set(CTEST_TEST_ARGS PARALLEL_LEVEL 1)
 set(CTEST_CMAKE_GENERATOR "Unix Makefiles")
 list(APPEND CTEST_UPDATE_NOTES_FILES "${CMAKE_CURRENT_LIST_FILE}")
 include(${CMAKE_CURRENT_LIST_DIR}/ci-common.cmake)
diff --git a/scripts/ci/cmake-v2/ci-el8-gcc9-serial.cmake b/scripts/ci/cmake-v2/ci-el8-gcc9-serial.cmake
index 78b7ef0698..107c5b3807 100644
--- a/scripts/ci/cmake-v2/ci-el8-gcc9-serial.cmake
+++ b/scripts/ci/cmake-v2/ci-el8-gcc9-serial.cmake
@@ -21,7 +21,6 @@ CMAKE_CXX_FLAGS:STRING=-Wall
 CMAKE_Fortran_FLAGS:STRING=-Wall
 ")
 
-set(CTEST_TEST_ARGS PARALLEL_LEVEL 1)
 set(CTEST_CMAKE_GENERATOR "Unix Makefiles")
 list(APPEND CTEST_UPDATE_NOTES_FILES "${CMAKE_CURRENT_LIST_FILE}")
 include(${CMAKE_CURRENT_LIST_DIR}/ci-common.cmake)
diff --git a/scripts/ci/cmake-v2/ci-el8-icc-serial.cmake b/scripts/ci/cmake-v2/ci-el8-icc-serial.cmake
index 84ba5d999e..94d13f60e3 100644
--- a/scripts/ci/cmake-v2/ci-el8-icc-serial.cmake
+++ b/scripts/ci/cmake-v2/ci-el8-icc-serial.cmake
@@ -21,7 +21,6 @@ CMAKE_CXX_FLAGS:STRING=-Wall
 CMAKE_Fortran_FLAGS:STRING=-warn all -stand none
 ")
 
-set(CTEST_TEST_ARGS PARALLEL_LEVEL 1)
 set(CTEST_CMAKE_GENERATOR "Unix Makefiles")
 list(APPEND CTEST_UPDATE_NOTES_FILES "${CMAKE_CURRENT_LIST_FILE}")
 include(${CMAKE_CURRENT_LIST_DIR}/ci-common.cmake)
diff --git a/scripts/ci/cmake-v2/ci-el8-nvhpc222-serial.cmake b/scripts/ci/cmake-v2/ci-el8-nvhpc222-serial.cmake
index 3e7f97f5a8..6cbad10bc1 100644
--- a/scripts/ci/cmake-v2/ci-el8-nvhpc222-serial.cmake
+++ b/scripts/ci/cmake-v2/ci-el8-nvhpc222-serial.cmake
@@ -22,7 +22,6 @@ CMAKE_CXX_FLAGS:STRING=--brief_diagnostics
 #CMAKE_Fortran_FLAGS:STRING=-warn errors
 ")
 
-set(CTEST_TEST_ARGS PARALLEL_LEVEL 1)
 set(CTEST_CMAKE_GENERATOR "Unix Makefiles")
 list(APPEND CTEST_UPDATE_NOTES_FILES "${CMAKE_CURRENT_LIST_FILE}")
 include(${CMAKE_CURRENT_LIST_DIR}/ci-common.cmake)
diff --git a/scripts/ci/cmake-v2/ci-el8-oneapi-serial.cmake b/scripts/ci/cmake-v2/ci-el8-oneapi-serial.cmake
index 17f5e90b18..bb1de092c6 100644
--- a/scripts/ci/cmake-v2/ci-el8-oneapi-serial.cmake
+++ b/scripts/ci/cmake-v2/ci-el8-oneapi-serial.cmake
@@ -21,7 +21,6 @@ CMAKE_CXX_FLAGS:STRING=-Wall
 CMAKE_Fortran_FLAGS:STRING=-warn all
 ")
 
-set(CTEST_TEST_ARGS PARALLEL_LEVEL 1)
 set(CTEST_CMAKE_GENERATOR "Unix Makefiles")
 list(APPEND CTEST_UPDATE_NOTES_FILES "${CMAKE_CURRENT_LIST_FILE}")
 include(${CMAKE_CURRENT_LIST_DIR}/ci-common.cmake)