diff --git a/src/botl.c b/src/botl.c
index eddfcccf5..2e9ed01db 100644
--- a/src/botl.c
+++ b/src/botl.c
@@ -4,9 +4,6 @@
 /* NetHack may be freely redistributed.  See license for details. */
 
 #include "hack.h"
-#ifndef LONG_MAX
-#include <limits.h>
-#endif
 
 extern const char *const hu_stat[]; /* defined in eat.c */
 
diff --git a/src/end.c b/src/end.c
index a4ed7fc0d..1da474b39 100644
--- a/src/end.c
+++ b/src/end.c
@@ -9,9 +9,6 @@
 #ifndef NO_SIGNAL
 #include <signal.h>
 #endif
-#ifndef LONG_MAX
-#include <limits.h>
-#endif
 #include "dlb.h"
 
 #ifndef SFCTOOL
diff --git a/src/files.c b/src/files.c
index abdb728f5..b8efef8d1 100644
--- a/src/files.c
+++ b/src/files.c
@@ -3139,11 +3139,6 @@ debugcore(const char *filename, boolean wildcards)
 #endif /*DEBUG*/
 
 #ifndef SFCTOOL
-#ifdef UNIX
-#ifndef PATH_MAX
-#include <limits.h>
-#endif
-#endif
 
 #define SYSCONFFILE "system configuration file"