diff --git a/tccpe.c b/tccpe.c
index 69783bb4..b30ca86b 100644
--- a/tccpe.c
+++ b/tccpe.c
@@ -314,18 +314,6 @@ typedef struct _IMAGE_BASE_RELOCATION {
 #ifndef IMAGE_REL_BASED_DIR64
 # define IMAGE_REL_BASED_DIR64 10
 #endif
-#ifndef IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
-#define IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA 0x0020
-#endif
-#ifndef IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
-#define IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE 0x0040
-#endif
-#ifndef IMAGE_DLLCHARACTERISTICS_NX_COMPAT
-#define IMAGE_DLLCHARACTERISTICS_NX_COMPAT 0x0100
-#endif
-#ifndef IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
-#define IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE 0x8000
-#endif
 
 #pragma pack(push, 1)
 struct pe_header