diff --git a/src/Makefile.in b/src/Makefile.in
index 8f14e9bf2..dfb6843c9 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -30,7 +30,7 @@ SUBDIRS=util include lib \
 	plugins/preauth/spake \
 	plugins/preauth/test \
 	plugins/tls/k5tls \
-	kdc kadmin kprop clients appl tests \
+	kdc kadmin kprop clients appl \
 	config-files build-tools man doc @po@
 WINSUBDIRS=include util lib ccapi windows clients appl plugins\preauth\spake
 BUILDTOP=$(REL).