diff --git a/httprunner/api.py b/httprunner/api.py
index a58e8f99..93aad124 100644
--- a/httprunner/api.py
+++ b/httprunner/api.py
@@ -72,7 +72,6 @@ class HttpRunner(object):
         prepared_testcases: List[unittest.TestSuite] = []
 
         for testcase in testcases:
-            testcase.config.variables.update(project_meta.variables)
             test_runner = TestCaseRunner(testcase.config, testcase.teststeps)
 
             TestSequense = type("TestSequense", (unittest.TestCase,), {})
diff --git a/httprunner/schema.py b/httprunner/schema.py
index 81497b7e..dd6253ac 100644
--- a/httprunner/schema.py
+++ b/httprunner/schema.py
@@ -73,7 +73,6 @@ class TestCase(BaseModel):
 
 class ProjectMeta(BaseModel):
     debugtalk_py: Text = ""
-    variables: VariablesMapping = {}
     functions: FunctionsMapping = {}
     env: Env = {}
     PWD: Text = None