diff --git a/build-image-src/Dockerfile-ruby33 b/build-image-src/Dockerfile-ruby33
index e04c900..d0d3deb 100644
--- a/build-image-src/Dockerfile-ruby33
+++ b/build-image-src/Dockerfile-ruby33
@@ -53,9 +53,6 @@ RUN pip3 install wheel
 
 COPY ATTRIBUTION.txt /
 
-# FIXME: remove below after we bump the bundled zlib version in SAM CLI Installer
-RUN mv /usr/local/aws-sam-cli/$SAM_CLI_VERSION/dist/_internal/libz.so.1 /usr/local/aws-sam-cli/$SAM_CLI_VERSION/dist/_internal/libz.so.1_
-
 # Compatible with initial base image
 ENTRYPOINT []
 CMD ["/bin/bash"]