diff --git a/libguile/deprecated.h b/libguile/deprecated.h
index 1b76ae2ed..dd9c68bd9 100644
--- a/libguile/deprecated.h
+++ b/libguile/deprecated.h
@@ -80,14 +80,6 @@ SCM_API const char scm_s_formals[];
 #define scm_substring_move_left_x scm_substring_move_x
 #define scm_substring_move_right_x scm_substring_move_x
 
-#if SCM_SIZEOF_LONG_LONG != 0
-typedef long long long_long;
-typedef unsigned long long ulong_long;
-#elif SCM_SIZEOF___INT64 != 0
-typedef __int64 long_long;
-typedef unsigned __int64 ulong_long;
-#endif
-
 #define scm_sizet size_t
 
 SCM_API SCM scm_wta (SCM arg, const char *pos, const char *s_subr);