diff --git a/Lib/sre_constants.py b/Lib/sre_constants.py
index e14fa17..7aedab1 100644
--- a/Lib/sre_constants.py
+++ b/Lib/sre_constants.py
@@ -194,12 +194,6 @@
 SRE_INFO_LITERAL = 2 # entire pattern is literal (given by prefix)
 SRE_INFO_CHARSET = 4 # pattern starts with character from given set
 
-__all__ = locals().keys()
-for _i in range(len(__all__)-1,-1,-1):
-    if __all__[_i][0] == "_":
-        del __all__[_i]
-del _i
-
 if __name__ == "__main__":
     def dump(f, d, prefix):
         items = d.items()