diff --git a/opentest4j.spec b/opentest4j.spec
index 832d4e3..632a631 100644
--- a/opentest4j.spec
+++ b/opentest4j.spec
@@ -31,6 +31,7 @@ API documentation for %{name}.
 
 %prep
 %setup -q -n opentest4j-r%{version}
+find -name \*.jar -delete
 cp -p %{SOURCE100} pom.xml
 
 %pom_add_dep junit:junit:4.12:test