diff --git a/config.h.in b/config.h.in
index 62aa34ef43..e3c9984373 100644
--- a/config.h.in
+++ b/config.h.in
@@ -17,9 +17,6 @@
 /* We are on a Linux system */
 #cmakedefine HAVE_LINUX
 
-/* Define if you have the <magic.h> header file. */
-#cmakedefine HAVE_MAGIC_H
-
 /* Define if you have the `mallinfo' function. */
 #cmakedefine HAVE_MALLINFO