diff --git a/pandas/core/strings/accessor.py b/pandas/core/strings/accessor.py
index 7c6dca3bad7d9..6302fb29d0ea4 100644
--- a/pandas/core/strings/accessor.py
+++ b/pandas/core/strings/accessor.py
@@ -1320,14 +1320,6 @@ def contains(
         4    False
         dtype: bool
         """
-        if regex and re.compile(pat).groups:
-            warnings.warn(
-                "This pattern is interpreted as a regular expression, and has "
-                "match groups. To actually get the groups, use str.extract.",
-                UserWarning,
-                stacklevel=find_stack_level(),
-            )
-
         result = self._data.array._str_contains(pat, case, flags, na, regex)
         return self._wrap_result(result, fill_value=na, returns_string=False)