1 files changed, 5 insertions, 15 deletions
diff --git a/coverage/files.py b/coverage/files.py
index 5e7c35aa..97888b62 100644
--- a/coverage/files.py
+++ b/coverage/files.py
@@ -175,21 +175,16 @@ class TreeMatcher(object):
 
 class ModuleMatcher(object):
     """A matcher for files in a tree."""
-    def __init__(self, module_names, main_module=None):
+    def __init__(self, module_names):
         self.modules = list(module_names)
-        self.main_module = main_module
         self.not_imported = list(module_names)
 
     def __repr__(self):
-        if self.main_module:
-            main_module = ', main_module=%r' % self.main_module
-        else:
-            main_module = ''
-        return "<ModuleMatcher %r%s>" % (self.modules, main_module)
+        return "<ModuleMatcher %r>" % (self.modules)
 
     def info(self):
         """A list of strings for displaying when dumping state."""
-        return ['main_module=%r' % self.main_module] + self.modules
+        return self.modules
 
     def add(self, module):
         """Add another directory to the list we match for."""
@@ -197,22 +192,17 @@ class ModuleMatcher(object):
 
     def match(self, module_name):
         """Does `module_name` indicate a module in one of our packages?
-
-        On success, returns the matched module name, which can be different in
-        the case of __main__.
         """
         if not module_name:
             return False
-        elif module_name == '__main__':
-            module_name = self.main_module or module_name
 
         for m in self.modules:
             if module_name.startswith(m):
                 if module_name == m:
-                    return module_name
+                    return True
                 if module_name[len(m)] == '.':
                     # This is a module in the package
-                    return module_name
+                    return True
 
         return False