commit - c737b93b775d30d7ec96867c4410e122e6167b95
commit + 92698c5e983ce2fa59780f5567cb34283bcf1095
blob - be72763dedcb12e2baabb6fda64e06d2fcf5f598
blob + 7c2bfddb8f77a9026ec782026f3775a07e004f5e
--- lib/diff_internal.h
+++ lib/diff_internal.h
@@ -51,11 +51,6 @@ diff_range_len(const struct diff_range *r)
 	return r->end - r->start;
 }
 
-/* List of all possible return codes of a diff invocation. */
-#define DIFF_RC_USE_DIFF_ALGO_FALLBACK	-1
-#define DIFF_RC_OK			0
-/* Any positive return values are errno values from sys/errno.h */
-
 /* Indicate whether two given diff atoms match. */
 int
 diff_atom_same(bool *same,