diff --git a/requests/structures.py b/requests/structures.py
index 3aa090e8..9fd78187 100644
--- a/requests/structures.py
+++ b/requests/structures.py
@@ -106,12 +106,8 @@ class CaseInsensitiveDict(collections.MutableMapping):
         return CaseInsensitiveDict(self._store.values())
 
     def __repr__(self):
-        return '%s(%r)' % (self.__class__.__name__, dict(self.items()))
-
-    def __str__(self):
         return str(dict(self.items()))
 
-
 class LookupDict(dict):
     """Dictionary lookup object."""