diff --git a/tools/Makefile.cc.java.dotnet b/tools/Makefile.cc.java.dotnet
index 34c80e334b..04495c9a90 100644
--- a/tools/Makefile.cc.java.dotnet
+++ b/tools/Makefile.cc.java.dotnet
@@ -125,7 +125,7 @@ ifeq ($(SYSTEM),win)
   DEBUG = /O2 -DNDEBUG
   CXXFLAGS = /std:c++17 /EHsc /MD /nologo /D_SILENCE_STDEXT_HASH_DEPRECATION_WARNINGS -nologo $(DEBUG) \
     /DPSAPI_VERSION=1 /D__WIN32__ /DNOMINMAX /DWIN32_LEAN_AND_MEAN=1 /D_CRT_SECURE_NO_WARNINGS \
-    /DGFLAGS_DLL_DECL= /DGFLAGS_DLL_DECLARE_FLAG= /DGFLAGS_DLL_DEFINE_FLAG= /DGOOGLE_GLOG_DLL_DECL= \
+    /DGOOGLE_GLOG_DLL_DECL= \
     /I$(INC_DIR)\\src\\windows /I$(INC_DIR) /I. \
     /DUSE_BOP /DUSE_GLOP \
     /DUSE_CBC /DUSE_CLP \