diff --git a/src/libxl/libxl_capabilities.c b/src/libxl/libxl_capabilities.c
index 8284ea3d53..e5b144ea1d 100644
--- a/src/libxl/libxl_capabilities.c
+++ b/src/libxl/libxl_capabilities.c
@@ -52,7 +52,6 @@ enum libxlHwcapVersion {
 
 struct guest_arch {
     virArch arch;
-    int bits;
     int hvm;
     int pvh;
     int pae;