diff --git a/arch/s390/include/asm/preempt.h b/arch/s390/include/asm/preempt.h
index 6ede29907fbf..b49e0492842c 100644
--- a/arch/s390/include/asm/preempt.h
+++ b/arch/s390/include/asm/preempt.h
@@ -131,9 +131,9 @@ static inline bool should_resched(int preempt_offset)
 #endif /* CONFIG_HAVE_MARCH_Z196_FEATURES */
 
 #ifdef CONFIG_PREEMPTION
-extern asmlinkage void preempt_schedule(void);
+extern void preempt_schedule(void);
 #define __preempt_schedule() preempt_schedule()
-extern asmlinkage void preempt_schedule_notrace(void);
+extern void preempt_schedule_notrace(void);
 #define __preempt_schedule_notrace() preempt_schedule_notrace()
 #endif /* CONFIG_PREEMPTION */
 
diff --git a/arch/s390/include/asm/syscall_wrapper.h b/arch/s390/include/asm/syscall_wrapper.h
index 1320f4213d80..5364bfc866e0 100644
--- a/arch/s390/include/asm/syscall_wrapper.h
+++ b/arch/s390/include/asm/syscall_wrapper.h
@@ -30,9 +30,9 @@
 })
 
 #define __S390_SYS_STUBx(x, name, ...)					\
-	asmlinkage long __s390_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__));\
+	long __s390_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__));		\
 	ALLOW_ERROR_INJECTION(__s390_sys##name, ERRNO);			\
-	asmlinkage long __s390_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__))\
+	long __s390_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__))		\
 	{								\
 		long ret = __s390x_sys##name(__MAP(x,__SC_COMPAT_CAST,__VA_ARGS__));\
 		__MAP(x,__SC_TEST,__VA_ARGS__);				\
@@ -45,17 +45,17 @@
  */
 #define COMPAT_SYSCALL_DEFINE0(sname)					\
 	SYSCALL_METADATA(_##sname, 0);					\
-	asmlinkage long __s390_compat_sys_##sname(void);		\
+	long __s390_compat_sys_##sname(void);				\
 	ALLOW_ERROR_INJECTION(__s390_compat_sys_##sname, ERRNO);	\
-	asmlinkage long __s390_compat_sys_##sname(void)
+	long __s390_compat_sys_##sname(void)
 
 #define SYSCALL_DEFINE0(sname)						\
 	SYSCALL_METADATA(_##sname, 0);					\
-	asmlinkage long __s390x_sys_##sname(void);			\
+	long __s390x_sys_##sname(void);					\
 	ALLOW_ERROR_INJECTION(__s390x_sys_##sname, ERRNO);		\
-	asmlinkage long __s390_sys_##sname(void)			\
+	long __s390_sys_##sname(void)					\
 		__attribute__((alias(__stringify(__s390x_sys_##sname)))); \
-	asmlinkage long __s390x_sys_##sname(void)
+	long __s390x_sys_##sname(void)
 
 #define COND_SYSCALL(name)						\
 	cond_syscall(__s390x_sys_##name);				\
@@ -69,13 +69,13 @@
 	__diag_push();								\
 	__diag_ignore(GCC, 8, "-Wattribute-alias",				\
 		      "Type aliasing is used to sanitize syscall arguments");\
-	asmlinkage long __s390_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));	\
-	asmlinkage long __s390_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))	\
+	long __s390_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));		\
+	long __s390_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))		\
 		__attribute__((alias(__stringify(__se_compat_sys##name))));	\
 	ALLOW_ERROR_INJECTION(__s390_compat_sys##name, ERRNO);			\
 	static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
-	asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__));	\
-	asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__))	\
+	long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__));		\
+	long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__))		\
 	{									\
 		long ret = __do_compat_sys##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__));\
 		__MAP(x,__SC_TEST,__VA_ARGS__);					\
@@ -101,9 +101,9 @@
 
 #define SYSCALL_DEFINE0(sname)						\
 	SYSCALL_METADATA(_##sname, 0);					\
-	asmlinkage long __s390x_sys_##sname(void);			\
+	long __s390x_sys_##sname(void);					\
 	ALLOW_ERROR_INJECTION(__s390x_sys_##sname, ERRNO);		\
-	asmlinkage long __s390x_sys_##sname(void)
+	long __s390x_sys_##sname(void)
 
 #define COND_SYSCALL(name)						\
 	cond_syscall(__s390x_sys_##name)
@@ -117,13 +117,13 @@
 	__diag_push();								\
 	__diag_ignore(GCC, 8, "-Wattribute-alias",				\
 		      "Type aliasing is used to sanitize syscall arguments");\
-	asmlinkage long __s390x_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))	\
+	long __s390x_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))			\
 		__attribute__((alias(__stringify(__se_sys##name))));		\
 	ALLOW_ERROR_INJECTION(__s390x_sys##name, ERRNO);			\
 	long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__));			\
 	static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));	\
 	__S390_SYS_STUBx(x, name, __VA_ARGS__)					\
-	asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__))		\
+	long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__))			\
 	{									\
 		long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));	\
 		__MAP(x,__SC_TEST,__VA_ARGS__);					\