diff --git a/ILSpy/Languages/CodeMappingInfo.cs b/ILSpy/Languages/CodeMappingInfo.cs
index 4250e948b..db1a087ea 100644
--- a/ILSpy/Languages/CodeMappingInfo.cs
+++ b/ILSpy/Languages/CodeMappingInfo.cs
@@ -47,7 +47,7 @@ namespace ICSharpCode.ILSpy
 
 		public void AddMapping(MethodDefinitionHandle parent, MethodDefinitionHandle part)
 		{
-			Debug.Print("Parent: " + MetadataTokens.GetRowNumber(parent) + " Part: " + MetadataTokens.GetRowNumber(part));
+			//Debug.Print("Parent: " + MetadataTokens.GetRowNumber(parent) + " Part: " + MetadataTokens.GetRowNumber(part));
 			if (parents.ContainsKey(part))
 				return;
 			parents.Add(part, parent);
diff --git a/ILSpy/SearchPane.cs b/ILSpy/SearchPane.cs
index c55c72563..74a486953 100644
--- a/ILSpy/SearchPane.cs
+++ b/ILSpy/SearchPane.cs
@@ -222,7 +222,7 @@ namespace ICSharpCode.ILSpy
 							continue;
 						CancellationToken cancellationToken = cts.Token;
 
-						foreach (var type in typeSystem.GetTopLevelTypeDefinitions()) {
+						foreach (var type in typeSystem.MainAssembly.TopLevelTypeDefinitions) {
 							cancellationToken.ThrowIfCancellationRequested();
 							searcher.Search(type, language, AddResult);
 						}