diff --git a/.ci/Dockerfile b/.ci/Dockerfile
index d1ddf61c921..f64eaf84464 100644
--- a/.ci/Dockerfile
+++ b/.ci/Dockerfile
@@ -1,7 +1,6 @@
 # The Flutter version is not important here, since the CI scripts update Flutter
 # before running. What matters is that the base image is pinned to minimize
 # unintended changes when modifying this file.
-# This is the hash for the 3.0.0 image.
 FROM cirrusci/flutter@sha256:d99b1ba2602240a74722970b5c0cd704bbe60a7eba7557157c784f2f693c393f
 
 RUN apt-get update -y
@@ -15,29 +14,3 @@ RUN curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | \
 RUN apt-get update && apt-get install -y google-cloud-sdk && \
     gcloud config set core/disable_usage_reporting true && \
     gcloud config set component_manager/disable_update_check true
-
-# Install formatter for C-based languages.
-RUN apt-get install -y clang-format
-
-# Install Linux desktop requirements:
-# - build tools.
-RUN apt-get install -y clang cmake ninja-build file pkg-config
-# - libraries.
-RUN apt-get install -y libgtk-3-dev
-# - xvfb to allow running headless.
-RUN apt-get install -y xvfb libegl1-mesa
-
-# Install Chrome and make it the default browser, for Linux url_launcher tests.
-# IMPORTANT: Web tests should use a pinned version of Chromium, not this, since
-# this isn't pinned, so any time the docker image is re-created the version of
-# Chrome may change.
-RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
-RUN echo 'deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main' | sudo tee /etc/apt/sources.list.d/google-chrome.list
-RUN apt-get update && apt-get install -y --no-install-recommends google-chrome-stable
-# Make Chrome the default for http:, https: and file:.
-RUN apt-get install -y xdg-utils
-RUN xdg-settings set default-web-browser google-chrome.desktop
-RUN xdg-mime default google-chrome.desktop inode/directory
-
-# Needed for web_benchmarks.
-RUN sudo apt-get install -y libgbm-dev