diff --git a/FreeRTOS/Test/CMock/event_groups/event_groups.yml b/FreeRTOS/Test/CMock/event_groups/event_groups.yml
index e149b08f25..acccd6dfab 100644
--- a/FreeRTOS/Test/CMock/event_groups/event_groups.yml
+++ b/FreeRTOS/Test/CMock/event_groups/event_groups.yml
@@ -29,4 +29,5 @@
   :strippables:
     - PRIVILEGED_FUNCTION
     - portDONT_DISCARD
+    - '(?:BaseType_t\s+xTimerDelete\s*\([\s\w,\n\t]*\)[\s\w,\n\t]*\s*;\s*)'
   :treat_externs: :include
diff --git a/FreeRTOS/Test/CMock/smp/smp.yml b/FreeRTOS/Test/CMock/smp/smp.yml
index d766527c50..f457f8ff42 100644
--- a/FreeRTOS/Test/CMock/smp/smp.yml
+++ b/FreeRTOS/Test/CMock/smp/smp.yml
@@ -29,4 +29,4 @@
   :strippables:
     - PRIVILEGED_FUNCTION
     - portDONT_DISCARD
-
+    - '(?:BaseType_t\s+xTimerDelete\s*\([\s\w,\n\t]*\)[\s\w,\n\t]*\s*;\s*)'