diff --git a/core/api/src/test/java/org/onlab/onos/net/topology/DefaultGraphDescriptionTest.java b/core/api/src/test/java/org/onlab/onos/net/topology/DefaultGraphDescriptionTest.java
index a968abf..5f7d47b 100644
--- a/core/api/src/test/java/org/onlab/onos/net/topology/DefaultGraphDescriptionTest.java
+++ b/core/api/src/test/java/org/onlab/onos/net/topology/DefaultGraphDescriptionTest.java
@@ -37,5 +37,4 @@
         new DefaultGraphDescription(4321L, ImmutableSet.of(DEV1, DEV3),
                                     ImmutableSet.of(L1, L2));
     }
-
-}
\ No newline at end of file
+}
diff --git a/core/api/src/test/java/org/onlab/onos/net/topology/DefaultTopologyEdgeTest.java b/core/api/src/test/java/org/onlab/onos/net/topology/DefaultTopologyEdgeTest.java
index 6c3c112..5d64c83 100644
--- a/core/api/src/test/java/org/onlab/onos/net/topology/DefaultTopologyEdgeTest.java
+++ b/core/api/src/test/java/org/onlab/onos/net/topology/DefaultTopologyEdgeTest.java
@@ -50,5 +50,4 @@
                                   new DefaultTopologyEdge(V2, V1, L2))
                 .testEquals();
     }
-
-}
\ No newline at end of file
+}
diff --git a/core/api/src/test/java/org/onlab/onos/net/topology/DefaultTopologyVertexTest.java b/core/api/src/test/java/org/onlab/onos/net/topology/DefaultTopologyVertexTest.java
index 1284624..7210ff3 100644
--- a/core/api/src/test/java/org/onlab/onos/net/topology/DefaultTopologyVertexTest.java
+++ b/core/api/src/test/java/org/onlab/onos/net/topology/DefaultTopologyVertexTest.java
@@ -26,5 +26,4 @@
                 .addEqualityGroup(new DefaultTopologyVertex(D2),
                                   new DefaultTopologyVertex(D2)).testEquals();
     }
-
-}
\ No newline at end of file
+}