diff --git a/Kernel/API/POSIX/sys/statvfs.h b/Kernel/API/POSIX/sys/statvfs.h
new file mode 100644
index 0000000000..9b09ccee87
--- /dev/null
+++ b/Kernel/API/POSIX/sys/statvfs.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <Kernel/API/POSIX/sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define ST_RDONLY 0x1
+#define ST_NOSUID 0x2
+
+struct statvfs {
+    unsigned long f_bsize;
+    unsigned long f_frsize;
+    fsblkcnt_t f_blocks;
+    fsblkcnt_t f_bfree;
+    fsblkcnt_t f_bavail;
+
+    fsfilcnt_t f_files;
+    fsfilcnt_t f_ffree;
+    fsfilcnt_t f_favail;
+
+    unsigned long f_fsid;
+    unsigned long f_flag;
+    unsigned long f_namemax;
+};
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/Kernel/UnixTypes.h b/Kernel/UnixTypes.h
index ca0aa53450..fb245b81c5 100644
--- a/Kernel/UnixTypes.h
+++ b/Kernel/UnixTypes.h
@@ -24,6 +24,7 @@
 #include <Kernel/API/POSIX/sys/ptrace.h>
 #include <Kernel/API/POSIX/sys/socket.h>
 #include <Kernel/API/POSIX/sys/stat.h>
+#include <Kernel/API/POSIX/sys/statvfs.h>
 #include <Kernel/API/POSIX/sys/time.h>
 #include <Kernel/API/POSIX/sys/times.h>
 #include <Kernel/API/POSIX/sys/uio.h>
@@ -48,22 +49,3 @@ typedef u16 __u16;
 typedef u8 __u8;
 typedef int __s32;
 typedef short __s16;
-
-#define ST_RDONLY 0x1
-#define ST_NOSUID 0x2
-
-struct statvfs {
-    unsigned long f_bsize;
-    unsigned long f_frsize;
-    fsblkcnt_t f_blocks;
-    fsblkcnt_t f_bfree;
-    fsblkcnt_t f_bavail;
-
-    fsfilcnt_t f_files;
-    fsfilcnt_t f_ffree;
-    fsfilcnt_t f_favail;
-
-    unsigned long f_fsid;
-    unsigned long f_flag;
-    unsigned long f_namemax;
-};
diff --git a/Userland/Libraries/LibC/sys/statvfs.h b/Userland/Libraries/LibC/sys/statvfs.h
index 4b34479a69..0530b60d80 100644
--- a/Userland/Libraries/LibC/sys/statvfs.h
+++ b/Userland/Libraries/LibC/sys/statvfs.h
@@ -6,31 +6,11 @@
 
 #pragma once
 
-#include <sys/cdefs.h>
-#include <sys/types.h>
+#include <Kernel/API/POSIX/sys/statvfs.h>
 
 __BEGIN_DECLS
 
-#define ST_RDONLY 0x1
-#define ST_NOSUID 0x2
-
-struct statvfs {
-    unsigned long f_bsize;
-    unsigned long f_frsize;
-    fsblkcnt_t f_blocks;
-    fsblkcnt_t f_bfree;
-    fsblkcnt_t f_bavail;
-
-    fsfilcnt_t f_files;
-    fsfilcnt_t f_ffree;
-    fsfilcnt_t f_favail;
-
-    unsigned long f_fsid;
-    unsigned long f_flag;
-    unsigned long f_namemax;
-};
-
-int statvfs(const char* path, struct statvfs* buf);
+int statvfs(char const* path, struct statvfs* buf);
 int fstatvfs(int fd, struct statvfs* buf);
 
 __END_DECLS