diff --git a/httprunner/loader/check.py b/httprunner/loader/check.py
index 636c667f..888d38d3 100644
--- a/httprunner/loader/check.py
+++ b/httprunner/loader/check.py
@@ -205,22 +205,3 @@ def is_function(item):
     """ Takes item object, returns True if it is a function.
     """
     return isinstance(item, types.FunctionType)
-
-
-def is_variable(tup):
-    """ Takes (name, object) tuple, returns True if it is a variable.
-    """
-    name, item = tup
-    if callable(item):
-        # function or class
-        return False
-
-    if isinstance(item, types.ModuleType):
-        # imported module
-        return False
-
-    if name.startswith("_"):
-        # private property
-        return False
-
-    return True
diff --git a/tests/test_loader/test_check.py b/tests/test_loader/test_check.py
index 5ba16571..6160ad88 100644
--- a/tests/test_loader/test_check.py
+++ b/tests/test_loader/test_check.py
@@ -60,17 +60,3 @@ class TestLoaderCheck(unittest.TestCase):
             }
         ]
         self.assertTrue(data_structure)
-
-    def test_is_variable(self):
-        var1 = 123
-        var2 = "abc"
-        self.assertTrue(check.is_variable(("var1", var1)))
-        self.assertTrue(check.is_variable(("var2", var2)))
-
-        __var = 123
-        self.assertFalse(check.is_variable(("__var", __var)))
-
-        func = lambda x: x + 1
-        self.assertFalse(check.is_variable(("func", func)))
-
-        self.assertFalse(check.is_variable(("unittest", unittest)))