diff --git a/src/mhd/DirectInduction/mhd_iact.h b/src/mhd/DirectInduction/mhd_iact.h
index b5ad7199ccea3603779773f3edd9c2ee59f28cfd..5f9f65cebe20d0e1234f883555099b417e04bb79 100644
--- a/src/mhd/DirectInduction/mhd_iact.h
+++ b/src/mhd/DirectInduction/mhd_iact.h
@@ -311,8 +311,6 @@ runner_iact_nonsym_mhd_gradient(const float r2, const float dx[3],
   float OW;
   OW = 1.0f;
 
-  const float ker_hdinv = pow_dimension(hi_inv); 
-
   float absBj;
   absBj = sqrtf(Bj[0]*Bj[0]+Bj[1]*Bj[1]+Bj[2]*Bj[2]);
   float Adv_B_sourcej[3];