diff --git a/ivette/makefile.opam b/ivette/makefile.opam
index f2d1c5e9df6a8fb167b986dda399afd57dbdcd46..6a907d2cc159b4b8303986c197629eeb1f693d3d 100644
--- a/ivette/makefile.opam
+++ b/ivette/makefile.opam
@@ -27,20 +27,16 @@
 .PHONY: install uninstall
 
 install:
-	@echo "Installing Ivette…"
-	@mkdir -p $(PREFIX)/bin
-	@install ivette/ivette-opam.sh $(PREFIX)/bin/ivette
-	@mkdir -p $(PREFIX)/lib/frama-c
-	@tar zcf $(PREFIX)/lib/frama-c/ivette.tgz ivette
-	@echo "Done"
+	mkdir -p $(PREFIX)/bin
+	install ivette/ivette-opam.sh $(PREFIX)/bin/ivette
+	mkdir -p $(PREFIX)/lib/frama-c
+	tar zcf $(PREFIX)/lib/frama-c/ivette.tgz ivette
 
 uninstall:
-	@echo "Removing Ivette…"
-	@rm -f $(PREFIX)/bin/ivette
-	@rm -f $(PREFIX)/lib/frama-c/ivette.tgz
-	@if test -d /Applications/Ivette.app ;\
+	rm -f $(PREFIX)/bin/ivette
+	rm -f $(PREFIX)/lib/frama-c/ivette.tgz
+	if test -d /Applications/Ivette.app ;\
 	 then \
 	 mkdir -p $(PREFIX)/bin; \
 	 install ivette/ivette-macos-cleanup.sh $(PREFIX)/bin/ivette; \
 	 fi
-	@echo "Done"