diff --git a/test/unit/repository_mercurial_test.rb b/test/unit/repository_mercurial_test.rb
index 207528b53..4bf53c02c 100644
--- a/test/unit/repository_mercurial_test.rb
+++ b/test/unit/repository_mercurial_test.rb
@@ -102,7 +102,7 @@ class RepositoryMercurialTest < ActiveSupport::TestCase
       @project.reload
       assert_equal NUM_REV, @repository.changesets.count
       # Remove changesets with revision > 2
-      @repository.changesets.all.each {|c| c.destroy if c.revision.to_i > 2}
+      @repository.changesets.each {|c| c.destroy if c.revision.to_i > 2}
       @project.reload
       @repository.reload
       assert_equal 3, @repository.changesets.count