diff --git a/Exec/science/nova/GNUmakefile b/Exec/science/nova/GNUmakefile
index 5dfff5bb33..959085afce 100644
--- a/Exec/science/nova/GNUmakefile
+++ b/Exec/science/nova/GNUmakefile
@@ -5,9 +5,9 @@ DIM              = 2
 
 COMP	         = gnu
 
-USE_MPI          = TRUE
+USE_MPI          = FALSE
 USE_OMP          = FALSE
-USE_CUDA         = TRUE
+USE_CUDA         = FALSE
 
 USE_REACT        = TRUE
 USE_DIFFUSION    = TRUE