diff --git a/appl/kx/Makefile.am b/appl/kx/Makefile.am
index a9c401c19..e9503bc98 100644
--- a/appl/kx/Makefile.am
+++ b/appl/kx/Makefile.am
@@ -10,6 +10,8 @@ X_PROGS_BIN_PROGS     = kx
 X_PROGS_BIN_SCRPTS    = rxterm rxtelnet tenletxr
 X_PROGS_LIBEXEC_PROGS = kxd
 
+CLEANFILES = rxterm rxtelnet tenletxr
+
 MAKE_X_PROGS_BIN_PROGS     = @MAKE_X_PROGS_BIN_PROGS@
 MAKE_X_PROGS_BIN_SCRPTS    = @MAKE_X_PROGS_BIN_SCRPTS@
 MAKE_X_PROGS_LIBEXEC_PROGS = @MAKE_X_PROGS_LIBEXEC_PROGS@