diff --git a/Makefile b/Makefile
index 356ac30c45..6ba09bee73 100644
--- a/Makefile
+++ b/Makefile
@@ -183,7 +183,6 @@ prebuilt-binary:
 	docker run \
 		--rm \
 		-e CGO_ENABLED=1 \
-		-e GPG_KEY=maintainers.asc \
 		--env-file .release-env \
 		-v /var/run/docker.sock:/var/run/docker.sock \
 		-v `pwd`:/go/src/$(PACKAGE_NAME) \