diff --git a/src/main/kotlin/app/git/DiffManager.kt b/src/main/kotlin/app/git/DiffManager.kt
index ca20c53..eb1abe6 100644
--- a/src/main/kotlin/app/git/DiffManager.kt
+++ b/src/main/kotlin/app/git/DiffManager.kt
@@ -93,7 +93,7 @@ fun prepareTreeParser(repository: Repository, commit: RevCommit): AbstractTreeIt
         val tree: RevTree = walk.parseTree(commit.tree.id)
         val treeParser = CanonicalTreeParser()
         repository.newObjectReader().use { reader -> treeParser.reset(reader, tree.id) }
-        walk.dispose()
+
         return treeParser
     }
 }
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