diff --git a/tools/testing/selftests/powerpc/include/pkeys.h b/tools/testing/selftests/powerpc/include/pkeys.h
index 51729d9a71110..3a0129467de64 100644
--- a/tools/testing/selftests/powerpc/include/pkeys.h
+++ b/tools/testing/selftests/powerpc/include/pkeys.h
@@ -35,10 +35,18 @@
 #define __NR_pkey_alloc		384
 #define __NR_pkey_free		385
 
+#ifndef NT_PPC_PKEY
+#define NT_PPC_PKEY		0x110
+#endif
+
 #define PKEY_BITS_PER_PKEY	2
 #define NR_PKEYS		32
 #define PKEY_BITS_MASK		((1UL << PKEY_BITS_PER_PKEY) - 1)
 
+#define AMR_BITS_PER_PKEY 2
+#define PKEY_REG_BITS (sizeof(u64) * 8)
+#define pkeyshift(pkey) (PKEY_REG_BITS - ((pkey + 1) * AMR_BITS_PER_PKEY))
+
 inline unsigned long pkeyreg_get(void)
 {
 	return mfspr(SPRN_AMR);
diff --git a/tools/testing/selftests/powerpc/ptrace/core-pkey.c b/tools/testing/selftests/powerpc/ptrace/core-pkey.c
index f6da4cb30cd6d..f8ff05e5bf6ec 100644
--- a/tools/testing/selftests/powerpc/ptrace/core-pkey.c
+++ b/tools/testing/selftests/powerpc/ptrace/core-pkey.c
@@ -16,27 +16,12 @@
 #include <unistd.h>
 #include "ptrace.h"
 #include "child.h"
-
-#ifndef __NR_pkey_alloc
-#define __NR_pkey_alloc		384
-#endif
-
-#ifndef __NR_pkey_free
-#define __NR_pkey_free		385
-#endif
-
-#ifndef NT_PPC_PKEY
-#define NT_PPC_PKEY		0x110
-#endif
+#include "pkeys.h"
 
 #ifndef PKEY_DISABLE_EXECUTE
 #define PKEY_DISABLE_EXECUTE	0x4
 #endif
 
-#define AMR_BITS_PER_PKEY 2
-#define PKEY_REG_BITS (sizeof(u64) * 8)
-#define pkeyshift(pkey) (PKEY_REG_BITS - ((pkey + 1) * AMR_BITS_PER_PKEY))
-
 #define CORE_FILE_LIMIT	(5 * 1024 * 1024)	/* 5 MB should be enough */
 
 static const char core_pattern_file[] = "/proc/sys/kernel/core_pattern";
@@ -61,16 +46,6 @@ struct shared_info {
 	time_t core_time;
 };
 
-static int sys_pkey_alloc(unsigned long flags, unsigned long init_access_rights)
-{
-	return syscall(__NR_pkey_alloc, flags, init_access_rights);
-}
-
-static int sys_pkey_free(int pkey)
-{
-	return syscall(__NR_pkey_free, pkey);
-}
-
 static int increase_core_file_limit(void)
 {
 	struct rlimit rlim;
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c b/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c
index d89474377f11a..5d528d0ea9d13 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c
@@ -7,27 +7,12 @@
  */
 #include "ptrace.h"
 #include "child.h"
-
-#ifndef __NR_pkey_alloc
-#define __NR_pkey_alloc		384
-#endif
-
-#ifndef __NR_pkey_free
-#define __NR_pkey_free		385
-#endif
-
-#ifndef NT_PPC_PKEY
-#define NT_PPC_PKEY		0x110
-#endif
+#include "pkeys.h"
 
 #ifndef PKEY_DISABLE_EXECUTE
 #define PKEY_DISABLE_EXECUTE	0x4
 #endif
 
-#define AMR_BITS_PER_PKEY 2
-#define PKEY_REG_BITS (sizeof(u64) * 8)
-#define pkeyshift(pkey) (PKEY_REG_BITS - ((pkey + 1) * AMR_BITS_PER_PKEY))
-
 static const char user_read[] = "[User Read (Running)]";
 static const char user_write[] = "[User Write (Running)]";
 static const char ptrace_read_running[] = "[Ptrace Read (Running)]";
@@ -61,11 +46,6 @@ struct shared_info {
 	unsigned long invalid_uamor;
 };
 
-static int sys_pkey_alloc(unsigned long flags, unsigned long init_access_rights)
-{
-	return syscall(__NR_pkey_alloc, flags, init_access_rights);
-}
-
 static int child(struct shared_info *info)
 {
 	unsigned long reg;