diff --git a/java/com.sap.sse.common/src/com/sap/sse/common/impl/MultiTimeRangeImpl.java b/java/com.sap.sse.common/src/com/sap/sse/common/impl/MultiTimeRangeImpl.java
index cd1eea3ca22..8062db97791 100755
--- a/java/com.sap.sse.common/src/com/sap/sse/common/impl/MultiTimeRangeImpl.java
+++ b/java/com.sap.sse.common/src/com/sap/sse/common/impl/MultiTimeRangeImpl.java
@@ -4,11 +4,11 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.Comparator;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
 
-import com.google.gwt.dev.util.collect.HashSet;
 import com.sap.sse.common.MultiTimeRange;
 import com.sap.sse.common.TimePoint;
 import com.sap.sse.common.TimeRange;