diff --git a/tests/docker/bionic/Dockerfile b/tests/docker/bionic/Dockerfile
index 4b5739cce7..28d33b7553 100644
--- a/tests/docker/bionic/Dockerfile
+++ b/tests/docker/bionic/Dockerfile
@@ -60,15 +60,9 @@ RUN apt-get update \
     pkg-config \
     && rm -rf /var/lib/apt/lists/*
 
-# The following packages are required for validating Python files.
-# The version of Pylint is set to 2.4.4 to match CI.
+# Jinja2 is required for driver dispatch code generation.
 RUN python3 -m pip install \
-    packaging mypy pylint==2.4.4
-
-# Jinja2 and jsonschema is required for driver dispatch code generation.
-RUN python3 -m pip install \
-    jinja2==2.10.1 types-jinja2 \
-    jsonschema==3.2.0 types-jsonschema
+    jinja2==2.10.1 types-jinja2
 
 # Build a static, legacy openssl from sources with sslv3 enabled
 # Based on https://gist.github.com/bmaupin/8caca3a1e8c3c5686141 (build-openssl.sh)