diff --git a/include/gwmodelpp/GWRLocalCollinearity.h b/include/gwmodelpp/GWRLocalCollinearity.h
index 92afc0e..e80bc2f 100644
--- a/include/gwmodelpp/GWRLocalCollinearity.h
+++ b/include/gwmodelpp/GWRLocalCollinearity.h
@@ -347,8 +347,6 @@ class GWRLocalCollinearity : public GWRBase, public IBandwidthSelectable, public
     ParallelType mParallelType = ParallelType::SerialOnly;
 
     int mOmpThreadNum = 8;
-    arma::uword mGpuId = 0;
-    arma::uword mGroupSize = 64;
 };
 
 inline int GWRLocalCollinearity::parallelAbility() const