diff --git a/Kernel/API/POSIX/sys/ptrace.h b/Kernel/API/POSIX/sys/ptrace.h
new file mode 100644
index 0000000000..b6d5f068c2
--- /dev/null
+++ b/Kernel/API/POSIX/sys/ptrace.h
@@ -0,0 +1,32 @@
+/*
+ * 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 PT_TRACE_ME 1
+#define PT_ATTACH 2
+#define PT_CONTINUE 3
+#define PT_SYSCALL 4
+#define PT_GETREGS 5
+#define PT_DETACH 6
+#define PT_PEEK 7
+#define PT_POKE 8
+#define PT_SETREGS 9
+#define PT_POKEDEBUG 10
+#define PT_PEEKDEBUG 11
+
+#define DEBUG_STATUS_REGISTER 6
+#define DEBUG_CONTROL_REGISTER 7
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/Kernel/UnixTypes.h b/Kernel/UnixTypes.h
index 083708e752..98d30de81e 100644
--- a/Kernel/UnixTypes.h
+++ b/Kernel/UnixTypes.h
@@ -20,6 +20,7 @@
 #include <Kernel/API/POSIX/signal.h>
 #include <Kernel/API/POSIX/stdio.h>
 #include <Kernel/API/POSIX/sys/mman.h>
+#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/time.h>
@@ -55,18 +56,6 @@ struct sched_param {
     int sched_priority;
 };
 
-#define PT_TRACE_ME 1
-#define PT_ATTACH 2
-#define PT_CONTINUE 3
-#define PT_SYSCALL 4
-#define PT_GETREGS 5
-#define PT_DETACH 6
-#define PT_PEEK 7
-#define PT_POKE 8
-#define PT_SETREGS 9
-#define PT_POKEDEBUG 10
-#define PT_PEEKDEBUG 11
-
 #define ST_RDONLY 0x1
 #define ST_NOSUID 0x2
 
diff --git a/Userland/Libraries/LibC/sys/ptrace.h b/Userland/Libraries/LibC/sys/ptrace.h
index 9a1877ba18..ce7df71605 100644
--- a/Userland/Libraries/LibC/sys/ptrace.h
+++ b/Userland/Libraries/LibC/sys/ptrace.h
@@ -6,25 +6,10 @@
 
 #pragma once
 
-#include <sys/types.h>
+#include <Kernel/API/POSIX/sys/ptrace.h>
 
 __BEGIN_DECLS
 
-#define PT_TRACE_ME 1
-#define PT_ATTACH 2
-#define PT_CONTINUE 3
-#define PT_SYSCALL 4
-#define PT_GETREGS 5
-#define PT_DETACH 6
-#define PT_PEEK 7
-#define PT_POKE 8
-#define PT_SETREGS 9
-#define PT_POKEDEBUG 10
-#define PT_PEEKDEBUG 11
-
-#define DEBUG_STATUS_REGISTER 6
-#define DEBUG_CONTROL_REGISTER 7
-
 // FIXME: PID/TID ISSUE
 // Affects the entirety of LibDebug and Userland/strace.cpp.
 // See also Kernel/Ptrace.cpp