diff --git a/scripts/trim-src.py b/scripts/trim-src.py
index 2192a05..b7a8eed 100644
--- a/scripts/trim-src.py
+++ b/scripts/trim-src.py
@@ -15,7 +15,7 @@ class TrimSourceCmd(jwutils.Cmd):
         super(TrimSourceCmd, self).__init__(name, help=help)
 
     @abstractmethod
-    async def _run(self, args, mime, path, contents):
+    def _run(self, args, mime, path, contents):
         raise Exception("_run() method not implemented")
 
     def add_parser(self, parsers):
@@ -72,7 +72,7 @@ class CmdBeautify(TrimSourceCmd):
             r += line.rstrip() + '\n'
         return r
 
-    async def _run(self, args, mime, path, contents):
+    def _run(self, args, mime, path, contents):
         slog(NOTICE, "formatting", path, "of type", mime)
         method = getattr(self, '_process' + ''.join(s.capitalize() for s in re.split('[/-]', mime)))
         if method is None: