diff --git a/git-filter-repo b/git-filter-repo
index ffc6fa9..0594140 100755
--- a/git-filter-repo
+++ b/git-filter-repo
@@ -2039,7 +2039,6 @@ EXAMPLES
     # PERF: remove these checks once new enough git versions are common
     p = subproc.Popen('git fast-export -h'.split(),
                       stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
-    p.wait()
     output = p.stdout.read()
     if b'--mark-tags' not in output: # pragma: no cover
       global write_marks
@@ -2060,7 +2059,6 @@ EXAMPLES
       # diff-tree --combined-all-paths, which is even more important...
       p = subproc.Popen('git diff-tree -h'.split(),
                         stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
-      p.wait()
       output = p.stdout.read()
       if b'--combined-all-paths' not in output:
         # We need a version of git-diff-tree with --combined-all-paths