diff --git a/libgo/go/internal/cpu/cpu_mips64x.go b/libgo/go/internal/cpu/cpu_mips64x.go
index 0c4794a..af10a50 100644
--- a/libgo/go/internal/cpu/cpu_mips64x.go
+++ b/libgo/go/internal/cpu/cpu_mips64x.go
@@ -6,8 +6,6 @@
 
 package cpu
 
-const CacheLinePadSize = 32
-
 // This is initialized by archauxv and should not be changed after it is
 // initialized.
 var HWCap uint