diff --git a/core/git_command.py b/core/git_command.py
index bf74330a6..7938c8dde 100755
--- a/core/git_command.py
+++ b/core/git_command.py
@@ -138,8 +138,8 @@ def on_line(line: bytes,
     on_stdout = partial(on_line, tag=Out)
     on_stderr = partial(on_line, tag=Err)
 
-    out_f = run_as_future(map_, read_linewise(proc.stdout), on_stdout)  # type: ignore[arg-type]
-    err_f = run_as_future(map_, read_bytewise(proc.stderr), on_stderr)  # type: ignore[arg-type]
+    out_f = run_as_future(map_, read_linewise(proc.stdout), on_stdout)
+    err_f = run_as_future(map_, read_bytewise(proc.stderr), on_stderr)
     delay = chain([1, 2, 4, 8, 15, 30], repeat(50))
 
     with proc: