diff --git a/Kernel/API/POSIX/sys/utsname.h b/Kernel/API/POSIX/sys/utsname.h
new file mode 100644
index 0000000000..e270665be5
--- /dev/null
+++ b/Kernel/API/POSIX/sys/utsname.h
@@ -0,0 +1,27 @@
+/*
+ * 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 UTSNAME_ENTRY_LEN 65
+
+struct utsname {
+    char sysname[UTSNAME_ENTRY_LEN];
+    char nodename[UTSNAME_ENTRY_LEN];
+    char release[UTSNAME_ENTRY_LEN];
+    char version[UTSNAME_ENTRY_LEN];
+    char machine[UTSNAME_ENTRY_LEN];
+};
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/Kernel/UnixTypes.h b/Kernel/UnixTypes.h
index 4b569bfe78..354e61cef6 100644
--- a/Kernel/UnixTypes.h
+++ b/Kernel/UnixTypes.h
@@ -21,6 +21,7 @@
 #include <Kernel/API/POSIX/sys/socket.h>
 #include <Kernel/API/POSIX/sys/stat.h>
 #include <Kernel/API/POSIX/sys/un.h>
+#include <Kernel/API/POSIX/sys/utsname.h>
 #include <Kernel/API/POSIX/sys/wait.h>
 #include <Kernel/API/POSIX/termios.h>
 #include <Kernel/API/POSIX/time.h>
@@ -118,16 +119,6 @@ struct timeval {
     suseconds_t tv_usec;
 };
 
-#define UTSNAME_ENTRY_LEN 65
-
-struct utsname {
-    char sysname[UTSNAME_ENTRY_LEN];
-    char nodename[UTSNAME_ENTRY_LEN];
-    char release[UTSNAME_ENTRY_LEN];
-    char version[UTSNAME_ENTRY_LEN];
-    char machine[UTSNAME_ENTRY_LEN];
-};
-
 struct iovec {
     void* iov_base;
     size_t iov_len;
diff --git a/Userland/Libraries/LibC/sys/utsname.h b/Userland/Libraries/LibC/sys/utsname.h
index 4a9c5f0ad9..e5cd49b835 100644
--- a/Userland/Libraries/LibC/sys/utsname.h
+++ b/Userland/Libraries/LibC/sys/utsname.h
@@ -1,25 +1,15 @@
 /*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
 #pragma once
 
-#include <sys/cdefs.h>
-
-#define UTSNAME_ENTRY_LEN 65
+#include <Kernel/API/POSIX/sys/utsname.h>
 
 __BEGIN_DECLS
 
-struct utsname {
-    char sysname[UTSNAME_ENTRY_LEN];
-    char nodename[UTSNAME_ENTRY_LEN];
-    char release[UTSNAME_ENTRY_LEN];
-    char version[UTSNAME_ENTRY_LEN];
-    char machine[UTSNAME_ENTRY_LEN];
-};
-
 int uname(struct utsname*);
 
 __END_DECLS