diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchBindingQuery.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchBindingQuery.java
index e0c5867ab6d..2159e94aa7a 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchBindingQuery.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchBindingQuery.java
@@ -36,7 +36,6 @@ public class PDOMSearchBindingQuery extends PDOMSearchQuery {
 	
 	public IStatus run(IProgressMonitor monitor) throws OperationCanceledException {
 		try {
-			result.removeAll();
 			createMatches(binding.getLinkage().getLanguage(), binding);
 			return Status.OK_STATUS;
 		} catch (CoreException e) {
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchElementQuery.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchElementQuery.java
index c09167ec15a..105632c9cfc 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchElementQuery.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchElementQuery.java
@@ -40,7 +40,6 @@ public class PDOMSearchElementQuery extends PDOMSearchQuery {
 
 	public IStatus run(IProgressMonitor monitor) throws OperationCanceledException {
 		try {
-			result.removeAll();
 			ISourceRange range = element.getSourceRange();
 			ITranslationUnit tu = element.getTranslationUnit();
 			ILanguage language = tu.getLanguage();
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchPatternQuery.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchPatternQuery.java
index 06ea077bb0c..3f1e31c2f22 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchPatternQuery.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchPatternQuery.java
@@ -62,7 +62,6 @@ public class PDOMSearchPatternQuery extends PDOMSearchQuery {
 	
 	public IStatus run(IProgressMonitor monitor) throws OperationCanceledException {
 		try {
-			result.removeAll();
 			for (int i = 0; i < projects.length; ++i)
 				searchProject(projects[i], monitor);
 			return Status.OK_STATUS;
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchTextSelectionQuery.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchTextSelectionQuery.java
index 495851d6188..bfb854a409d 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchTextSelectionQuery.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchTextSelectionQuery.java
@@ -41,7 +41,6 @@ public class PDOMSearchTextSelectionQuery extends PDOMSearchQuery {
 
 	public IStatus run(IProgressMonitor monitor) throws OperationCanceledException {
 		try {
-			result.removeAll();
 			ILanguage language = tu.getLanguage();
 			IASTTranslationUnit ast = language.getASTTranslationUnit(tu, ILanguage.AST_SKIP_ALL_HEADERS | ILanguage.AST_USE_INDEX);
 			IASTName[] names = language.getSelectedNames(ast, selection.getOffset(), selection.getLength());