diff --git a/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.go b/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.go
index c960099..45b4429 100644
--- a/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.go
+++ b/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.go
@@ -282,11 +282,6 @@
 			if !onlyCommon {
 				// GCCGO Prototype Generation
 				// Imports of system calls from libc
-				if sysname == "select" {
-					// select is a keyword of Go. Its name is
-					// changed to c_select.
-					cExtern += "#define c_select select\n"
-				}
 				cExtern += fmt.Sprintf("%s %s", cRettype, sysname)
 				cIn := strings.Join(cIn, ", ")
 				cExtern += fmt.Sprintf("(%s);\n", cIn)
@@ -495,14 +490,7 @@
 
 			// GCCGO function generation
 			argsgccgolist := strings.Join(argsgccgo, ", ")
-			var callgccgo string
-			if sysname == "select" {
-				// select is a keyword of Go. Its name is
-				// changed to c_select.
-				callgccgo = fmt.Sprintf("C.c_%s(%s)", sysname, argsgccgolist)
-			} else {
-				callgccgo = fmt.Sprintf("C.%s(%s)", sysname, argsgccgolist)
-			}
+			callgccgo := fmt.Sprintf("C.%s(%s)", sysname, argsgccgolist)
 			textgccgo += callProto
 			textgccgo += fmt.Sprintf("\tr1 = uintptr(%s)\n", callgccgo)
 			textgccgo += "\te1 = syscall.GetErrno()\n"