diff --git a/make/ghdl.mk b/make/ghdl.mk
index 21219d6..03ab894 100644
--- a/make/ghdl.mk
+++ b/make/ghdl.mk
@@ -16,7 +16,7 @@ BUILD_DIR ?= build/$(TARGET)
 WORK_DIR ?= $(BUILD_DIR)/$(WORK_LIB)
 
 # Can be pre-initialized by user
-RUN_OPTS += --stop-time=$(RUN_TIME) --disp-time
+RUN_OPTS += --stop-time=$(RUN_TIME)
 GHDL_OPTS += --work=$(WORK_LIB) --workdir=$(WORK_DIR) --std=$(LANG_STD) --ieee=$(IEEE_STD)
 
 # -------------------------------------------------