1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/vfs/UnionFileSystem.java b/src/main/java/com/google/devtools/build/lib/vfs/UnionFileSystem.java
index e444a591ee..01ff5aa838 100644
--- a/src/main/java/com/google/devtools/build/lib/vfs/UnionFileSystem.java
+++ b/src/main/java/com/google/devtools/build/lib/vfs/UnionFileSystem.java
@@ -14,9 +14,9 @@
 
 package com.google.devtools.build.lib.vfs;
 
+import com.google.common.base.Preconditions;
 import com.google.common.collect.Lists;
 import com.google.devtools.build.lib.concurrent.ThreadSafety;
-import com.google.devtools.build.lib.util.Preconditions;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;