diff --git a/bin/cat/Makefile b/bin/cat/Makefile
index abfdcbcfbb2e..cce69d8aad9e 100644
--- a/bin/cat/Makefile
+++ b/bin/cat/Makefile
@@ -15,11 +15,12 @@ CFLAGS+=-DBOOTSTRAP_CAT
 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>