reduce dependencies
diff --git a/tests/org.eclipse.graphiti.testtool.ecore/META-INF/MANIFEST.MF b/tests/org.eclipse.graphiti.testtool.ecore/META-INF/MANIFEST.MF
index d9a0672..89108e5 100644
--- a/tests/org.eclipse.graphiti.testtool.ecore/META-INF/MANIFEST.MF
+++ b/tests/org.eclipse.graphiti.testtool.ecore/META-INF/MANIFEST.MF
@@ -7,12 +7,8 @@
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
 Require-Bundle: org.eclipse.emf.transaction,
- org.eclipse.gef,
  org.eclipse.graphiti,
  org.eclipse.graphiti.ui,
- org.eclipse.jdt.core,
- org.eclipse.ui.views.properties.tabbed,
- org.eclipse.graphiti.pattern;bundle-version="0.7.0",
  org.eclipse.graphiti.examples.common;bundle-version="0.7.0"
 Bundle-ActivationPolicy: lazy
 Export-Package: org.eclipse.graphiti.sample.ecore,