diff --git a/unix/ztypes_linux_sparc64.go b/unix/ztypes_linux_sparc64.go
index 22bdab96..207c408e 100644
--- a/unix/ztypes_linux_sparc64.go
+++ b/unix/ztypes_linux_sparc64.go
@@ -652,8 +652,6 @@ type Sigset_t struct {
 	X__val [16]uint64
 }
 
-const _SC_PAGESIZE = 0x1e
-
 type Termios struct {
 	Iflag  uint32
 	Oflag  uint32