diff --git a/sbv2_core/src/model.rs b/sbv2_core/src/model.rs
index a93d5dd..ca96d55 100644
--- a/sbv2_core/src/model.rs
+++ b/sbv2_core/src/model.rs
@@ -7,7 +7,6 @@ use std::io::Cursor;
 pub fn load_model(model_file: &str) -> Result<Session> {
     let session = Session::builder()?
         .with_optimization_level(GraphOptimizationLevel::Level3)?
-        .with_intra_threads(1)?
         .with_intra_threads(num_cpus::get_physical())?
         .with_parallel_execution(true)?
         .with_inter_threads(num_cpus::get_physical())?