diff --git a/examples/arkode/CXX_xbraid/ark_heat2D_p_xbraid.cpp b/examples/arkode/CXX_xbraid/ark_heat2D_p_xbraid.cpp
index 466b1f7f9c..6967adbe16 100644
--- a/examples/arkode/CXX_xbraid/ark_heat2D_p_xbraid.cpp
+++ b/examples/arkode/CXX_xbraid/ark_heat2D_p_xbraid.cpp
@@ -61,11 +61,10 @@
 #include "sunlinsol/sunlinsol_spgmr.h" // access to SPGMR SUNLinearSolver
 
 // Macros for problem constants
-#define PI    SUN_RCONST(3.141592653589793238462643383279502884197169)
-#define ZERO  SUN_RCONST(0.0)
-#define ONE   SUN_RCONST(1.0)
-#define TWO   SUN_RCONST(2.0)
-#define EIGHT SUN_RCONST(8.0)
+#define PI   SUN_RCONST(3.141592653589793238462643383279502884197169)
+#define ZERO SUN_RCONST(0.0)
+#define ONE  SUN_RCONST(1.0)
+#define TWO  SUN_RCONST(2.0)
 
 // Macro to access (x,y) location in 1D NVector array
 #define IDX(x, y, n) ((n) * (y) + (x))