2 files changed, 4 insertions, 0 deletions

diff --git a/mk/c.mk b/mk/c.mk
index ecc8a7d..5fb3030 100644
--- a/mk/c.mk
+++ b/mk/c.mk
@@ -10,6 +10,8 @@ CFLAGS += -Wall -Werror -Wextra -Wno-unused-parameter -Wno-missing-field-initial
 CFLAGS += -g
 CFLAGS += -MMD -MP -MF ${_DEPSDIR}/$(subst /,-,$*).d
 
+# disable implicit rules.
+.SUFFIXES:
 .PHONY: clean clean-gen clean-bin clean-obj clean-misc clean-backups
 .PHONY: all
 
diff --git a/mk/lexyacc.mk b/mk/lexyacc.mk
index ebd7b19..b8a8d6c 100644
--- a/mk/lexyacc.mk
+++ b/mk/lexyacc.mk
@@ -1,3 +1,5 @@
+.SUFFIXES:
+
 NECFLAGS = $(subst -Werror,,$(subst -Wall,,$(CFLAGS)))
 
 %.h %.c: %.y