diff --git a/projects/spidermonkey/Dockerfile b/projects/spidermonkey/Dockerfile
index 547fc0f59..906db1e52 100644
--- a/projects/spidermonkey/Dockerfile
+++ b/projects/spidermonkey/Dockerfile
@@ -19,10 +19,8 @@ MAINTAINER agaynor@mozilla.com
 RUN apt-get update && apt-get install -y \
   autoconf2.13 \
   yasm \
-  python \
-  curl
+  python
 
-RUN curl -sSf https://sh.rustup.rs | sh /dev/stdin -y
 RUN git clone --depth=1 https://github.com/mozilla/gecko-dev mozilla-central
 WORKDIR mozilla-central/js/src/
 COPY build.sh $SRC/