diff --git a/plugins/git4idea/src/git4idea/branch/GitBranchUtil.java b/plugins/git4idea/src/git4idea/branch/GitBranchUtil.java
index 1581c91dec19..b5de09c81127 100644
--- a/plugins/git4idea/src/git4idea/branch/GitBranchUtil.java
+++ b/plugins/git4idea/src/git4idea/branch/GitBranchUtil.java
@@ -15,7 +15,6 @@
  */
 package git4idea.branch;
 
-import com.google.common.base.Function;
 import com.google.common.collect.Collections2;
 import com.intellij.dvcs.DvcsUtil;
 import com.intellij.openapi.diagnostic.Logger;
@@ -58,10 +57,6 @@ public class GitBranchUtil {
 
   private static final Logger LOG = Logger.getInstance(GitBranchUtil.class);
 
-  private static final Function<GitBranch,String> BRANCH_TO_NAME = input -> {
-    assert input != null;
-    return input.getName();
-  };
   // The name that specifies that git is on specific commit rather then on some branch ({@value})
  private static final String NO_BRANCH_NAME = "(no branch)";
 
@@ -103,7 +98,7 @@ public class GitBranchUtil {
 
   @NotNull
   public static Collection<String> convertBranchesToNames(@NotNull Collection<? extends GitBranch> branches) {
-    return Collections2.transform(branches, BRANCH_TO_NAME);
+    return ContainerUtil.map(branches, GitBranch::getName);
   }
 
   /**