diff --git a/15.0/Dockerfile b/15.0/Dockerfile
index b5ef2e7e142049966deaf7385f300926c94656c8..2a1dcaa6f4c70732ee576097f197d364d19d6bdb 100644
--- a/15.0/Dockerfile
+++ b/15.0/Dockerfile
@@ -9,7 +9,7 @@ RUN echo '%build_icinga_org 1' >/etc/rpm/macros.icinga_build
 
 RUN zypper --non-interactive install --no-recommends \
   sudo wget curl which tar expect git \
-  make patch rpm-build rpmlint spectool createrepo \
+  make patch rpm-build rpmlint \
  && zypper clean
 
 RUN zypper --non-interactive install --no-recommends \