diff --git a/lib/Target/CellSPU/SPUISelLowering.cpp b/lib/Target/CellSPU/SPUISelLowering.cpp
index 767bbbb..aaf0783 100644
--- a/lib/Target/CellSPU/SPUISelLowering.cpp
+++ b/lib/Target/CellSPU/SPUISelLowering.cpp
@@ -42,8 +42,8 @@
 
   //! EVT mapping to useful data for Cell SPU
   struct valtype_map_s {
-    const EVT   valtype;
-    const int   prefslot_byte;
+    EVT   valtype;
+    int   prefslot_byte;
   };
 
   const valtype_map_s valtype_map[] = {