diff --git a/include/sys/syscall.h b/include/sys/syscall.h
index af3ca466..24987ddf 100644
--- a/include/sys/syscall.h
+++ b/include/sys/syscall.h
@@ -1,16 +1,6 @@
 #ifndef _SYS_SYSCALL_H
 #define _SYS_SYSCALL_H
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <features.h>
-
-long syscall(long, ...);
 
 #include <bits/syscall.h>
 
-#ifdef __cplusplus
-}
-#endif
 #endif
diff --git a/include/unistd.h b/include/unistd.h
index 64a6b461..89015ad6 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -175,6 +175,7 @@ void setusershell(void);
 void endusershell(void);
 char *getusershell(void);
 int acct(const char *);
+long syscall(long, ...);
 #endif
 
 #ifdef _GNU_SOURCE