diff --git a/cmake/QtAppHelpers.cmake b/cmake/QtAppHelpers.cmake
index eb29030e304..de6cd072336 100644
--- a/cmake/QtAppHelpers.cmake
+++ b/cmake/QtAppHelpers.cmake
@@ -94,7 +94,6 @@ function(qt_internal_add_app target)
         # qt_set_target_info_properties knows how to process them
     )
     qt_internal_add_target_aliases("${target}")
-    _qt_internal_apply_strict_cpp("${target}")
     qt_internal_adjust_main_config_runtime_output_dir("${target}" "${output_directory}")
 
     # To mimic the default behaviors of qt_app.prf, we by default enable GUI Windows applications,
diff --git a/cmake/QtToolHelpers.cmake b/cmake/QtToolHelpers.cmake
index b8713165b77..a974b6784ae 100644
--- a/cmake/QtToolHelpers.cmake
+++ b/cmake/QtToolHelpers.cmake
@@ -143,7 +143,6 @@ function(qt_internal_add_tool target_name)
         # qt_set_target_info_properties knows how to process them
     )
     qt_internal_add_target_aliases("${target_name}")
-    _qt_internal_apply_strict_cpp("${target_name}")
     qt_internal_adjust_main_config_runtime_output_dir("${target_name}" "${output_dir}")
 
     if (WIN32)