diff --git a/bin/cat/Makefile b/bin/cat/Makefile
index abfdcbcfbb2e..cce69d8aad9e 100644
--- a/bin/cat/Makefile
+++ b/bin/cat/Makefile
@@ -1,25 +1,26 @@
 #	@(#)Makefile	8.1 (Berkeley) 5/31/93
 # $FreeBSD$
 
 .include <src.opts.mk>
 
 PACKAGE=runtime
 PROG=	cat
 
 .ifdef BOOTSTRAPPING
 # For the bootstrap cat we disable all wide char support to allow building
 # on Linux/macOS
 CFLAGS+=-DBOOTSTRAP_CAT
 .endif
 
 HAS_TESTS=
 SUBDIR.${MK_TESTS}+= tests
 
-.if ${MK_CASPER} != "no" && !defined(RESCUE) && !defined(BOOTSTRAPPING)
-LIBADD+=        casper
-LIBADD+=        cap_fileargs
-LIBADD+=        cap_net
-CFLAGS+=-DWITH_CASPER
-.endif
+# Temporary disable building cat with Casper.
+#.if ${MK_CASPER} != "no" && !defined(RESCUE) && !defined(BOOTSTRAPPING)
+#LIBADD+=        casper
+#LIBADD+=        cap_fileargs
+#LIBADD+=        cap_net
+#CFLAGS+=-DWITH_CASPER
+#.endif
 
 .include <bsd.prog.mk>