diff -Naur a/src/read.c b/src/read.c
--- a/src/read.c
+++ b/src/read.c
@@ -109,9 +109,6 @@
 #endif
     INCLUDEDIR,
 #ifndef _AMIGA
-    "/usr/gnu/include",
-    "/usr/local/include",
-    "/usr/include",
 #endif
     0
   };
diff -Naur a/src/remake.c b/src/remake.c
--- a/src/remake.c
+++ b/src/remake.c
@@ -1601,8 +1601,6 @@
   static const char *dirs[] =
     {
 #ifndef _AMIGA
-      "/lib",
-      "/usr/lib",
 #endif
 #if defined(WINDOWS32) && !defined(LIBDIR)
 /*