diff --git a/15.4/Dockerfile b/15.4/Dockerfile
index e27740a06757909b7d0775757afddc592e5f996c..8189dab31ef3f936c92ef4c85aac17fdc00d92b9 100644
--- a/15.4/Dockerfile
+++ b/15.4/Dockerfile
@@ -13,11 +13,6 @@ RUN zypper --non-interactive install --no-recommends \
   cmake libopenssl-devel ccache \
  && zypper clean
 
-RUN OBS_DIST=openSUSE_Leap_15.4 \
- && zypper --non-interactive addrepo https://download.opensuse.org/repositories/home:/icinga/"${OBS_DIST}"/home:icinga.repo \
- && zypper --gpg-auto-import-keys --non-interactive install spectool createrepo \
- && zypper clean -a
-
 RUN rpm --import https://packages.icinga.com/icinga.key \
  && zypper --non-interactive addrepo --refresh https://packages.icinga.com/openSUSE/ICINGA-release.repo \
  && zypper --non-interactive refresh \