diff --git a/coalib/settings/FunctionMetadata.py b/coalib/settings/FunctionMetadata.py
index 5e0de6148c..ec008f3017 100644
--- a/coalib/settings/FunctionMetadata.py
+++ b/coalib/settings/FunctionMetadata.py
@@ -34,17 +34,6 @@ def __init__(self,
         if optional_params is None:
             optional_params = {}
 
-        if not isinstance(name, str):
-            raise TypeError("name should be a string")
-        if not isinstance(desc, str):
-            raise TypeError("desc should be a string")
-        if not isinstance(retval_desc, str):
-            raise TypeError("retval_desc should be a string")
-        if not isinstance(non_optional_params, dict):
-            raise TypeError("non_optional_params should be a dict")
-        if not isinstance(optional_params, dict):
-            raise TypeError("optional_params should be a dict")
-
         self.name = name
         self.desc = desc
         self.retval_desc = retval_desc
diff --git a/coalib/tests/settings/FunctionMetadataTest.py b/coalib/tests/settings/FunctionMetadataTest.py
index 7226137c8d..ed3a97d15e 100644
--- a/coalib/tests/settings/FunctionMetadataTest.py
+++ b/coalib/tests/settings/FunctionMetadataTest.py
@@ -23,22 +23,6 @@ def bad_function(self, bad_param: "no function"):
 
 class FunctionMetadataTest(unittest.TestCase):
     def test_construction(self):
-        self.assertRaises(TypeError, FunctionMetadata, 5)
-        self.assertRaises(TypeError, FunctionMetadata, "name", desc=5)
-        self.assertRaises(TypeError, FunctionMetadata, "name", retval_desc=5)
-        self.assertRaises(TypeError,
-                          FunctionMetadata,
-                          "name",
-                          non_optional_params=5)
-        self.assertRaises(TypeError,
-                          FunctionMetadata,
-                          "name",
-                          optional_params=5)
-        self.assertRaises(TypeError, FunctionMetadata.from_function, 5)
-        self.assertRaises(TypeError,
-                          FunctionMetadata.from_function,
-                          self.test_construction,
-                          5)
         self.check_function_metadata_data_set(FunctionMetadata("name"), "name")
 
     def test_from_function(self):