diff --git a/BaseTools/Conf/tools_def.template b/BaseTools/Conf/tools_def.template
index 67f9e3d6b8..559ad82efd 100644
--- a/BaseTools/Conf/tools_def.template
+++ b/BaseTools/Conf/tools_def.template
@@ -793,7 +793,7 @@ RELEASE_ICC_IPF_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /LTCG /DLL /OPT:REF,ICF /IGN
 
 *_MYTOOLS_IA32_APP_FLAGS         = /nologo /E /TC
 *_MYTOOLS_IA32_PP_FLAGS          = /nologo /E /TC /FI$(DEST_DIR_DEBUG)/AutoGen.h
-DEBUG_MYTOOLS_IA32_CC_FLAGS      = /nologo /W4 /WX /Gy /c /D UNICODE /D EFI32 /Od /DSTRING_ARRAY_NAME=$(BASE_NAME)Strings /FI$(DEST_DIR_DEBUG)/AutoGen.h /EHs-c- /GF /Gs8192 /Zi /Gm
+DEBUG_MYTOOLS_IA32_CC_FLAGS      = /nologo /W4 /WX /Gy /c /D UNICODE /D EFI32 /O1ib2 /GL /DSTRING_ARRAY_NAME=$(BASE_NAME)Strings /FI$(DEST_DIR_DEBUG)/AutoGen.h /EHs-c- /GF /Gs8192 /Zi /Gm
 RELEASE_MYTOOLS_IA32_CC_FLAGS    = /nologo /W4 /WX /Gy /c /D UNICODE /D EFI32 /O1ib2 /GL /DSTRING_ARRAY_NAME=$(BASE_NAME)Strings /FI$(DEST_DIR_DEBUG)/AutoGen.h /EHs-c- /GF /Gs8192
 DEBUG_MYTOOLS_IA32_PCH_FLAGS     = /nologo /W4 /WX /Gy /c /D UNICODE /D EFI32 /O1ib2 /GL /DSTRING_ARRAY_NAME=$(BASE_NAME)Strings /FI$(DEST_DIR_DEBUG)/AutoGen.h /EHs-c- /GF /Gs8192 /Fp$(DEST_DIR_OUTPUT)/AutoGen.h.gch /Yc /TC /Zi /Gm
 RELEASE_MYTOOLS_IA32_PCH_FLAGS   = /nologo /W4 /WX /Gy /c /D UNICODE /D EFI32 /O1ib2 /GL /DSTRING_ARRAY_NAME=$(BASE_NAME)Strings /FI$(DEST_DIR_DEBUG)/AutoGen.h /EHs-c- /GF /Gs8192 /Fp$(DEST_DIR_OUTPUT)/AutoGen.h.gch /Yc /TC