diff --git a/Kernel/API/POSIX/sched.h b/Kernel/API/POSIX/sched.h
index 77dff7fe60..e2e6b978b9 100644
--- a/Kernel/API/POSIX/sched.h
+++ b/Kernel/API/POSIX/sched.h
@@ -16,6 +16,12 @@ struct sched_param {
     int sched_priority;
 };
 
+#define THREAD_PRIORITY_MIN 1
+#define THREAD_PRIORITY_LOW 10
+#define THREAD_PRIORITY_NORMAL 30
+#define THREAD_PRIORITY_HIGH 50
+#define THREAD_PRIORITY_MAX 99
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/Kernel/Thread.h b/Kernel/Thread.h
index a6e22826f5..cbb9e9bdd7 100644
--- a/Kernel/Thread.h
+++ b/Kernel/Thread.h
@@ -15,6 +15,7 @@
 #include <AK/Time.h>
 #include <AK/Variant.h>
 #include <AK/Vector.h>
+#include <Kernel/API/POSIX/sched.h>
 #include <Kernel/Arch/RegisterState.h>
 #include <Kernel/Debug.h>
 #include <Kernel/Forward.h>
@@ -46,12 +47,6 @@ struct ThreadSpecificData {
     ThreadSpecificData* self;
 };
 
-#define THREAD_PRIORITY_MIN 1
-#define THREAD_PRIORITY_LOW 10
-#define THREAD_PRIORITY_NORMAL 30
-#define THREAD_PRIORITY_HIGH 50
-#define THREAD_PRIORITY_MAX 99
-
 #define THREAD_AFFINITY_DEFAULT 0xffffffff
 
 struct ThreadRegisters {
diff --git a/Userland/Libraries/LibC/sched.cpp b/Userland/Libraries/LibC/sched.cpp
index 4d1cb46737..914e2eee5b 100644
--- a/Userland/Libraries/LibC/sched.cpp
+++ b/Userland/Libraries/LibC/sched.cpp
@@ -20,13 +20,13 @@ int sched_yield()
 // https://pubs.opengroup.org/onlinepubs/9699919799/functions/sched_get_priority_min.html
 int sched_get_priority_min([[maybe_unused]] int policy)
 {
-    return 0; // Idle
+    return THREAD_PRIORITY_MIN;
 }
 
 // https://pubs.opengroup.org/onlinepubs/9699919799/functions/sched_get_priority_max.html
 int sched_get_priority_max([[maybe_unused]] int policy)
 {
-    return 3; // High
+    return THREAD_PRIORITY_MAX;
 }
 
 // https://pubs.opengroup.org/onlinepubs/9699919799/functions/sched_setparam.html