diff --git a/tests/Makefile.am b/tests/Makefile.am
index 6d1419383..2d1f00951 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -4,9 +4,6 @@ SUBDIRS =		\
 	bsim3		\
 	bsim4		\
 	bsimsoi		\
-	hisim		\
-	hisimhv1	\
-	hisimhv2	\
 	regression
 
 if XSPICE_WANTED
@@ -26,9 +23,6 @@ DIST_SUBDIRS =		\
 	filters		\
 	general		\
 	hfet		\
-	hisim		\
-	hisimhv1	\
-	hisimhv2	\
 	jfet		\
 	mes		\
 	mesa		\