1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/collect/CollectionUtils.java b/src/main/java/com/google/devtools/build/lib/collect/CollectionUtils.java
index d6287259a1..5c2f92e0fe 100644
--- a/src/main/java/com/google/devtools/build/lib/collect/CollectionUtils.java
+++ b/src/main/java/com/google/devtools/build/lib/collect/CollectionUtils.java
@@ -16,12 +16,12 @@ package com.google.devtools.build.lib.collect;
 import static com.google.common.collect.ImmutableList.toImmutableList;
 import static java.util.stream.Collectors.toCollection;
 
+import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Maps;
 import com.google.devtools.build.lib.collect.nestedset.NestedSet;
-import com.google.devtools.build.lib.util.Preconditions;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;