diff --git a/Modules/Compiler/Tasking-C.cmake b/Modules/Compiler/Tasking-C.cmake
index 86b53981a0..d0ed386a07 100644
--- a/Modules/Compiler/Tasking-C.cmake
+++ b/Modules/Compiler/Tasking-C.cmake
@@ -1,14 +1,14 @@
 include(Compiler/Tasking)
 __compiler_tasking(C)
 
+# Extension flags are not tied to the standard level flags.
+# Avoid passing them here so users/projects can control them independently.
 set(CMAKE_C90_STANDARD_COMPILE_OPTION "--iso=90")
-set(CMAKE_C90_EXTENSION_COMPILE_OPTION "--iso=90" "--language=+gcc,+kanji,+comments,+volatile,+strings")
-
+set(CMAKE_C90_EXTENSION_COMPILE_OPTION "--iso=90")
 set(CMAKE_C99_STANDARD_COMPILE_OPTION "--iso=99")
-set(CMAKE_C99_EXTENSION_COMPILE_OPTION "--iso=99" "--language=+gcc,+kanji,+volatile,+strings")
-
+set(CMAKE_C99_EXTENSION_COMPILE_OPTION "--iso=99")
 set(CMAKE_C11_STANDARD_COMPILE_OPTION "--iso=11")
-set(CMAKE_C11_EXTENSION_COMPILE_OPTION "--iso=11" "--language=+gcc,+kanji,+volatile,+strings")
+set(CMAKE_C11_EXTENSION_COMPILE_OPTION "--iso=11")
 
 set(CMAKE_C_STANDARD_LATEST 11)
 
diff --git a/Modules/Compiler/Tasking-CXX.cmake b/Modules/Compiler/Tasking-CXX.cmake
index 1aa840abc7..53ae3ed00f 100644
--- a/Modules/Compiler/Tasking-CXX.cmake
+++ b/Modules/Compiler/Tasking-CXX.cmake
@@ -3,13 +3,13 @@
 include(Compiler/Tasking)
 __compiler_tasking(CXX)
 
-set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "--c++=03" "--strict")
+# Extension flags are not tied to the standard level flags.
+# Avoid passing them here so users/projects can control them independently.
+set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "--c++=03")
 set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "--c++=03")
-
-set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "--c++=11" "--strict")
+set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "--c++=11")
 set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "--c++=11")
-
-set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "--c++=14" "--strict")
+set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "--c++=14")
 set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "--c++=14")
 
 set(CMAKE_CXX_STANDARD_LATEST 14)