diff --git a/.github/workflows/Dockerfile.copyin b/.github/workflows/Dockerfile.copyin
index 7c7072a05..919f79195 100644
--- a/.github/workflows/Dockerfile.copyin
+++ b/.github/workflows/Dockerfile.copyin
@@ -1,7 +1,4 @@
 ARG builder
-ARG TARGETPLATFORM
-
-RUN "echo $TARGETPLATFORM"
 
 # https://stackoverflow.com/a/63472135/3551604
 FROM ${TARGETPLATFORM}/${builder}:latest as builder