diff --git a/libcxx/utils/ci/Dockerfile b/libcxx/utils/ci/Dockerfile
index c77f6c435baf4d..54dd0f11868801 100644
--- a/libcxx/utils/ci/Dockerfile
+++ b/libcxx/utils/ci/Dockerfile
@@ -287,10 +287,6 @@ CMD /opt/android/container-setup.sh && buildkite-agent start
 #
 FROM builder-base AS actions-builder
 
-# Install 'act' for running github actions locally. This provides an alternative to the run-buildbot script
-# while still providing reproducability.
-RUN curl -s https://raw.githubusercontent.com/nektos/act/master/install.sh | sudo bash
-
 WORKDIR /home/runner
 USER runner