diff --git a/tests/Dockerfile b/tests/Dockerfile
index 4705acca5..366abe23b 100644
--- a/tests/Dockerfile
+++ b/tests/Dockerfile
@@ -4,10 +4,6 @@ ARG PYTHON_VERSION=3.10
 
 FROM python:${PYTHON_VERSION}
 
-ARG APT_MIRROR
-RUN sed -ri "s/(httpredir|deb).debian.org/${APT_MIRROR:-deb.debian.org}/g" /etc/apt/sources.list.d/debian.sources \
- && sed -ri "s/(security).debian.org/${APT_MIRROR:-security.debian.org}/g" /etc/apt/sources.list.d/debian.sources
-
 RUN apt-get update && apt-get -y install --no-install-recommends \
     gnupg2 \
     pass