diff --git a/test/ir/inference/test_trt_convert_solve.py b/test/ir/inference/test_trt_convert_solve.py
index c3f9b51d0d05c..fa86a84e61f19 100644
--- a/test/ir/inference/test_trt_convert_solve.py
+++ b/test/ir/inference/test_trt_convert_solve.py
@@ -87,10 +87,9 @@ def clear_dynamic_shape():
         # for dynamic_shape
         generate_dynamic_shape(attrs)
         self.trt_param.precision = paddle_infer.PrecisionType.Float32
-        program_config.set_input_type(np.float32)
         yield self.create_inference_config(), (1, 3), 1e-5
+
         self.trt_param.precision = paddle_infer.PrecisionType.Half
-        program_config.set_input_type(np.float16)
         yield self.create_inference_config(), (1, 3), 1e-3
 
     def test(self):