diff --git a/com.google.eclipse.protobuf.feature/feature.xml b/com.google.eclipse.protobuf.feature/feature.xml
index 90368a9..6a6e436 100644
--- a/com.google.eclipse.protobuf.feature/feature.xml
+++ b/com.google.eclipse.protobuf.feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="com.google.eclipse.protobuf"
       label="%featureName"
-      version="1.1.0.qualifier"
+      version="1.1.1.qualifier"
       provider-name="%providerName">
 
    <description url="https://code.google.com/p/protobuf-dt/">
diff --git a/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/parser/Proto2OnlyParser.java b/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/parser/Proto2OnlyParser.java
index a4b2d53..1863d8d 100644
--- a/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/parser/Proto2OnlyParser.java
+++ b/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/parser/Proto2OnlyParser.java
@@ -11,7 +11,7 @@
 import org.antlr.runtime.CharStream;
 import org.eclipse.xtext.nodemodel.*;
 import org.eclipse.xtext.nodemodel.impl.NodeModelBuilder;
-import org.eclipse.xtext.parser.*;
+import org.eclipse.xtext.parser.IParseResult;
 
 import com.google.eclipse.protobuf.parser.antlr.ProtobufParser;
 import com.google.eclipse.protobuf.protobuf.Protobuf;
@@ -29,10 +29,10 @@
   @Override protected IParseResult doParse(String ruleName, CharStream in, NodeModelBuilder builder,
       int initialLookAhead) {
     IParseResult result = super.doParse(ruleName, in, builder, initialLookAhead);
-    // TODO ignore this check via preferences in open source version.
-    if (isNonProto2(result)) {
-      return new ParseResult(new NonProto2Protobuf(), result.getRootNode(), false);
-    }
+    // TODO enable this check via preferences in internal version.
+    // if (isNonProto2(result)) {
+    //  return new ParseResult(new NonProto2Protobuf(), result.getRootNode(), false);
+    // }
     return result;
   }
 
diff --git a/update-site/artifacts.jar b/update-site/artifacts.jar
deleted file mode 100644
index 3478714..0000000
--- a/update-site/artifacts.jar
+++ /dev/null
Binary files differ
diff --git a/update-site/content.jar b/update-site/content.jar
deleted file mode 100644
index 7547cb5..0000000
--- a/update-site/content.jar
+++ /dev/null
Binary files differ
diff --git a/update-site/features/com.google.eclipse.protobuf_1.0.11.201110190604.jar b/update-site/features/com.google.eclipse.protobuf_1.0.11.201110190604.jar
deleted file mode 100644
index 925de86..0000000
--- a/update-site/features/com.google.eclipse.protobuf_1.0.11.201110190604.jar
+++ /dev/null
Binary files differ
diff --git a/update-site/plugins/com.google.eclipse.protobuf.ui_1.0.11.201110190604.jar b/update-site/plugins/com.google.eclipse.protobuf.ui_1.0.11.201110190604.jar
deleted file mode 100644
index bb74193..0000000
--- a/update-site/plugins/com.google.eclipse.protobuf.ui_1.0.11.201110190604.jar
+++ /dev/null
Binary files differ
diff --git a/update-site/plugins/com.google.eclipse.protobuf_1.0.11.201110190604.jar b/update-site/plugins/com.google.eclipse.protobuf_1.0.11.201110190604.jar
deleted file mode 100644
index e482ee8..0000000
--- a/update-site/plugins/com.google.eclipse.protobuf_1.0.11.201110190604.jar
+++ /dev/null
Binary files differ
diff --git a/update-site/site.xml b/update-site/site.xml
index 3b887cd..bab4dfb 100644
--- a/update-site/site.xml
+++ b/update-site/site.xml
@@ -3,7 +3,7 @@
    <description name="protobuf-dt" url="http://protobuf-dt.googlecode.com/git/update-site">
       Update site for protobuf-dt, an Eclipse-based Development Environment for Protocol Buffers.
    </description>
-   <feature url="features/com.google.eclipse.protobuf_1.0.11.201110190604.jar" id="com.google.eclipse.protobuf" version="1.0.11.201110190604">
+   <feature url="features/com.google.eclipse.protobuf_1.1.1.qualifier.jar" id="com.google.eclipse.protobuf" version="1.1.1.qualifier">
       <category name="google"/>
    </feature>
    <category-def name="google" label="Google"/>