diff --git a/typing_extensions/src/test_typing_extensions.py b/typing_extensions/src/test_typing_extensions.py
index ab6a84de1..27babaa6e 100644
--- a/typing_extensions/src/test_typing_extensions.py
+++ b/typing_extensions/src/test_typing_extensions.py
@@ -2126,28 +2126,6 @@ def test_valid_uses(self):
             C3 = collections.abc.Callable[Concatenate[int, P], int]
             C4 = collections.abc.Callable[Concatenate[int, T, P], T]
 
-    def test_invalid_uses(self):
-        P = ParamSpec('P')
-        T = TypeVar('T')
-
-        with self.assertRaisesRegex(
-            TypeError,
-            'Cannot take a Concatenate of no types',
-        ):
-            Concatenate[()]
-
-        with self.assertRaisesRegex(
-            TypeError,
-            'The last parameter to Concatenate should be a ParamSpec variable',
-        ):
-            Concatenate[P, T]
-
-        with self.assertRaisesRegex(
-            TypeError,
-            'each arg must be a type',
-        ):
-            Concatenate[1, P]
-
     def test_basic_introspection(self):
         P = ParamSpec('P')
         C1 = Concatenate[int, P]
diff --git a/typing_extensions/src/typing_extensions.py b/typing_extensions/src/typing_extensions.py
index 2e0b3d78b..6dbe72e7a 100644
--- a/typing_extensions/src/typing_extensions.py
+++ b/typing_extensions/src/typing_extensions.py
@@ -1802,13 +1802,8 @@ def _get_type_vars(self, tvars):
 # 3.6-3.9
 @typing._tp_cache
 def _concatenate_getitem(self, parameters):
-    if parameters == ():
-        raise TypeError("Cannot take a Concatenate of no types.")
     if not isinstance(parameters, tuple):
         parameters = (parameters,)
-    if not isinstance(parameters[-1], ParamSpec):
-        raise TypeError("The last parameter to Concatenate should be a "
-                        "ParamSpec variable.")
     msg = "Concatenate[arg, ...]: each arg must be a type."
     parameters = tuple(typing._type_check(p, msg) for p in parameters)
     return _ConcatenateGenericAlias(self, parameters)