diff --git a/include/linux/compat.h b/include/linux/compat.h
index 081281ad5772..3f35f4cfb98d 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -8,8 +8,6 @@
 
 #include <linux/types.h>
 
-#ifdef CONFIG_COMPAT
-
 #include <linux/stat.h>
 #include <linux/param.h>	/* for HZ */
 #include <linux/sem.h>
@@ -20,9 +18,11 @@
 #include <linux/uaccess.h>
 #include <linux/unistd.h>
 
+#ifdef CONFIG_COMPAT
 #include <asm/compat.h>
 #include <asm/siginfo.h>
 #include <asm/signal.h>
+#endif
 
 #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
 /*
@@ -83,6 +83,8 @@
 	static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
 #endif /* COMPAT_SYSCALL_DEFINEx */
 
+#ifdef CONFIG_COMPAT
+
 #ifndef compat_user_stack_pointer
 #define compat_user_stack_pointer() current_user_stack_pointer()
 #endif
@@ -1016,7 +1018,9 @@ static inline struct compat_timeval ns_to_compat_timeval(s64 nsec)
 #else /* !CONFIG_COMPAT */
 
 #define is_compat_task() (0)
+#ifndef in_compat_syscall
 static inline bool in_compat_syscall(void) { return false; }
+#endif
 
 #endif /* CONFIG_COMPAT */