diff --git a/mesonbuild/mtest.py b/mesonbuild/mtest.py
index 0661fa529..34ab36aa9 100644
--- a/mesonbuild/mtest.py
+++ b/mesonbuild/mtest.py
@@ -1817,6 +1817,8 @@ class TestHarness:
                 test.exe_wrapper and test.exe_wrapper.found()):
             env['MESON_EXE_WRAPPER'] = join_args(test.exe_wrapper.get_command())
         env['MESON_TEST_ITERATION'] = str(iteration + 1)
+        env.pop('CLICOLOR_FORCE')
+        env.pop('FORCE_COLOR')
         return SingleTestRunner(test, env, name, options)
 
     def process_test_result(self, result: TestRun) -> None:
