diff --git a/docker/Dockerfiles/Dockerfile-hackrf b/docker/Dockerfiles/Dockerfile-hackrf
index ea1c47cf..d655dba0 100644
--- a/docker/Dockerfiles/Dockerfile-hackrf
+++ b/docker/Dockerfiles/Dockerfile-hackrf
@@ -1,6 +1,5 @@
 ARG ARCHTAG
 ARG PROJECT
-ARG MAKEFLAGS
 FROM ${PROJECT}-soapysdr-base:$ARCHTAG
 ARG MAKEFLAGS