diff --git a/bundles/org.eclipse.core.contenttype/src/org/eclipse/core/internal/content/ContentTypeCatalog.java b/bundles/org.eclipse.core.contenttype/src/org/eclipse/core/internal/content/ContentTypeCatalog.java
index fe1b06b..eba4865 100644
--- a/bundles/org.eclipse.core.contenttype/src/org/eclipse/core/internal/content/ContentTypeCatalog.java
+++ b/bundles/org.eclipse.core.contenttype/src/org/eclipse/core/internal/content/ContentTypeCatalog.java
@@ -370,7 +370,7 @@
 		return result;
 	}
 
-	synchronized private IContentType[] internalFindContentTypesFor(ContentTypeMatcher matcher, ILazySource buffer, String fileName, boolean forceValidation) throws IOException {
+	private IContentType[] internalFindContentTypesFor(ContentTypeMatcher matcher, ILazySource buffer, String fileName, boolean forceValidation) throws IOException {
 		final IContentType[][] subset;
 		final Comparator validPolicy;
 		Comparator indeterminatePolicy;