diff --git a/ACE/include/makeinclude/platform_gcc_clang_common.GNU b/ACE/include/makeinclude/platform_gcc_clang_common.GNU
index 214da114ec62a..62c9dc23bf3fd 100644
--- a/ACE/include/makeinclude/platform_gcc_clang_common.GNU
+++ b/ACE/include/makeinclude/platform_gcc_clang_common.GNU
@@ -55,8 +55,6 @@ else ifeq ($(c++20),1)
   CCFLAGS += -std=c++20
 else ifeq ($(c++17),1)
   CCFLAGS += -std=c++17
-else ifeq ($(c++14),1)
-  CCFLAGS += -std=c++14
 endif
 
 # If no option has been specified, set templates to automatic