diff --git a/util/compat.h b/util/compat.h
index b38a1c7c..ea2a6507 100644
--- a/util/compat.h
+++ b/util/compat.h
@@ -7,14 +7,6 @@
 #define COMPAT_MODE
 #endif
 
-// Use `COMPAT_CONST` where something ought to be 'const', and a newer compiler would complain if it
-// wasn't, but we know it isn't 'const' in the original code.
-#if defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER >= 1100)
-#define COMPAT_CONST const
-#else
-#define COMPAT_CONST
-#endif
-
 // Disable "identifier was truncated to '255' characters" warning.
 // Impossible to avoid this if using STL map or set.
 // This removes most (but not all) occurrences of the warning.