be more tycho friendly
diff --git a/modeling/plugins/org.eclipse.pde.ds.builder/META-INF/MANIFEST.MF b/modeling/plugins/org.eclipse.pde.ds.builder/META-INF/MANIFEST.MF
index ffe7dd8..c629e90 100644
--- a/modeling/plugins/org.eclipse.pde.ds.builder/META-INF/MANIFEST.MF
+++ b/modeling/plugins/org.eclipse.pde.ds.builder/META-INF/MANIFEST.MF
@@ -4,17 +4,14 @@
 Bundle-SymbolicName: org.eclipse.pde.ds.builder;singleton:=true
 Bundle-Version: 0.1.0.qualifier
 Bundle-Activator: org.eclipse.pde.ds.builder.internal.Activator
-Require-Bundle: org.eclipse.emf.transaction;bundle-version="1.3.0"
+Require-Bundle: org.eclipse.emf.transaction;bundle-version="1.3.0",
+ org.eclipse.pde.core;bundle-version="3.4.0"
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
 Import-Package: org.eclipse.jdt.core,
- org.eclipse.pde.core.plugin,
  org.eclipse.pde.ds.scr,
  org.eclipse.pde.ds.scr.util,
  org.eclipse.pde.emfforms.builder;version="0.1.0",
- org.eclipse.pde.internal.core,
- org.eclipse.pde.internal.core.ibundle,
- org.eclipse.pde.internal.core.natures,
  org.osgi.service.component;version="1.1.0"
diff --git a/modeling/plugins/org.eclipse.pde.ds.ui/META-INF/MANIFEST.MF b/modeling/plugins/org.eclipse.pde.ds.ui/META-INF/MANIFEST.MF
index ce9f369..cebe41b 100644
--- a/modeling/plugins/org.eclipse.pde.ds.ui/META-INF/MANIFEST.MF
+++ b/modeling/plugins/org.eclipse.pde.ds.ui/META-INF/MANIFEST.MF
@@ -17,7 +17,9 @@
  org.eclipse.wst.xml.ui;bundle-version="1.1.0";resolution:=optional,
  org.eclipse.jface.text;bundle-version="3.5.0",
  org.eclipse.ui.ide;bundle-version="3.5.0",
- org.eclipse.ui
+ org.eclipse.ui,
+ org.eclipse.core.databinding,
+ org.eclipse.core.databinding.property
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Bundle-Localization: plugin
@@ -29,10 +31,7 @@
  org.eclipse.pde.ds.ui.internal.editor.masterdetail;x-internal:=true,
  org.eclipse.pde.ds.ui.internal.editor.wizard;x-internal:=true,
  org.eclipse.pde.ds.ui.internal.handlers;x-internal:=true
-Import-Package: org.eclipse.core.databinding,
- org.eclipse.core.databinding.observable,
- org.eclipse.core.databinding.observable.value,
- org.eclipse.emf.databinding,
+Import-Package: org.eclipse.emf.databinding,
  org.eclipse.emf.databinding.edit,
  org.eclipse.jface.databinding.swt,
  org.eclipse.jface.databinding.viewers,