diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf b/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf
index cfe42a6aa8..d4d9a83992 100644
--- a/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf
@@ -81,7 +81,6 @@
   MSFT:DEBUG_*_IPF_CC_FLAGS    == /nologo /c /WX /GS- /W4 /EHs-c- /GR- /Gy /Os /FIAutoGen.h /QIPF_fr32 /Zi /X 
   MSFT:RELEASE_*_IPF_CC_FLAGS  == /nologo /c /WX /GS- /W4 /EHs-c- /GR- /Gy /Os /FIAutoGen.h /QIPF_fr32 /X 
   INTEL:*_*_*_CC_FLAGS         =  /Oi-
-  GCC:*_*_*_CC_FLAGS           =  -fno-builtin
 
   # Oniguruma: potentially uninitialized local variable used
   MSFT:*_*_*_CC_FLAGS = /wd4701