diff --git a/paddle/fluid/inference/tensorrt/convert/softmax_op.cc b/paddle/fluid/inference/tensorrt/convert/softmax_op.cc
index 8e101075768e0..9aefd7fb28b39 100644
--- a/paddle/fluid/inference/tensorrt/convert/softmax_op.cc
+++ b/paddle/fluid/inference/tensorrt/convert/softmax_op.cc
@@ -84,8 +84,6 @@ class SoftMaxOpConverter : public OpConverter {
     }
     layer->setAxes(1 << axes);
 
-    // The trt will not run int for softmax.
-    engine_->SetTensorDynamicRange(input1, 1.0);
     auto output_name = op_desc.Output("Out")[0];
 
     // support 0 or 1 dims input