diff --git a/.idea/libraries/griffon_rt.xml b/.idea/libraries/griffon_rt.xml
index 5c311db65e7b..bfef050ef1a1 100644
--- a/.idea/libraries/griffon_rt.xml
+++ b/.idea/libraries/griffon_rt.xml
@@ -2,8 +2,6 @@
   <library name="griffon-rt">
     <CLASSES>
       <root url="jar://$PROJECT_DIR$/plugins/groovy/testdata/griffon/griffon-rt-1.1.0.jar!/" />
-      <root url="jar://$PROJECT_DIR$/plugins/groovy/testdata/griffon/slf4j-api-1.7.1.jar!/" />
-      <root url="jar://$PROJECT_DIR$/plugins/groovy/testdata/griffon/slf4j-simple-1.7.1.jar!/" />
       <root url="jar://$PROJECT_DIR$/plugins/groovy/testdata/griffon/griffon-cli-1.1.0.jar!/" />
     </CLASSES>
     <JAVADOC />
diff --git a/plugins/groovy/testdata/griffon/slf4j-api-1.7.1.jar b/plugins/groovy/testdata/griffon/slf4j-api-1.7.1.jar
deleted file mode 100644
index 97ca6570cae0..000000000000
Binary files a/plugins/groovy/testdata/griffon/slf4j-api-1.7.1.jar and /dev/null differ
diff --git a/plugins/groovy/testdata/griffon/slf4j-simple-1.7.1.jar b/plugins/groovy/testdata/griffon/slf4j-simple-1.7.1.jar
deleted file mode 100644
index ede53d319d15..000000000000
Binary files a/plugins/groovy/testdata/griffon/slf4j-simple-1.7.1.jar and /dev/null differ