diff --git a/home/git.nix b/home/git.nix
index 3f70aaa..7c3504a 100644
--- a/home/git.nix
+++ b/home/git.nix
@@ -17,6 +17,7 @@
       push.autoSetupRemote = true;
       pull.merge = true;
       merge.tool = "nvimdiff";
+      mergetool.keepBackup = false;
     };
 
     ignores = [