diff --git a/Dockerfile.moth-compile b/Dockerfile.moth-compile
index e00c96b..5680e4f 100644
--- a/Dockerfile.moth-compile
+++ b/Dockerfile.moth-compile
@@ -1,8 +1,5 @@
 FROM alpine
 
-ARG http_proxy
-ENV http_proxy=${http_proxy}
-
 RUN apk --no-cache add python3 py3-pillow
 
 COPY tools/package-puzzles.py tools/moth.py tools/mistune.py tools/answer_words.txt /moth/