diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackFetchConnection.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackFetchConnection.java
index f907891ba..4036c0028 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackFetchConnection.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackFetchConnection.java
@@ -377,7 +377,7 @@ public abstract class BasePackFetchConnection extends BasePackConnection
 	@Override
 	public void close() {
 		if (walk != null)
-			walk.release();
+			walk.close();
 		super.close();
 	}
 
@@ -753,16 +753,13 @@ public abstract class BasePackFetchConnection extends BasePackConnection
 			input = new SideBandInputStream(input, monitor, getMessageWriter(),
 					outputStream);
 
-		ObjectInserter ins = local.newObjectInserter();
-		try {
+		try (ObjectInserter ins = local.newObjectInserter()) {
 			PackParser parser = ins.newPackParser(input);
 			parser.setAllowThin(thinPack);
 			parser.setObjectChecker(transport.getObjectChecker());
 			parser.setLockMessage(lockMessage);
 			packLock = parser.parse(monitor);
 			ins.flush();
-		} finally {
-			ins.release();
 		}
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackPushConnection.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackPushConnection.java
index e367ab44c..863934da1 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackPushConnection.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackPushConnection.java
@@ -279,9 +279,8 @@ public abstract class BasePackPushConnection extends BasePackConnection implemen
 		Set<ObjectId> remoteObjects = new HashSet<ObjectId>();
 		Set<ObjectId> newObjects = new HashSet<ObjectId>();
 
-		final PackWriter writer = new PackWriter(transport.getPackConfig(),
-				local.newObjectReader());
-		try {
+		try (final PackWriter writer = new PackWriter(transport.getPackConfig(),
+				local.newObjectReader())) {
 
 			for (final Ref r : getRefs()) {
 				// only add objects that we actually have
@@ -303,10 +302,9 @@ public abstract class BasePackPushConnection extends BasePackConnection implemen
 			writer.setDeltaBaseAsOffset(capableOfsDelta);
 			writer.preparePack(monitor, newObjects, remoteObjects);
 			writer.writePack(monitor, monitor, out);
-		} finally {
-			writer.release();
+
+			packTransferTime = writer.getStatistics().getTimeWriting();
 		}
-		packTransferTime = writer.getStatistics().getTimeWriting();
 	}
 
 	private void readStatusReport(final Map<String, RemoteRefUpdate> refUpdates)