diff --git a/Kernel/Process.cpp b/Kernel/Process.cpp
index 33a24a5abc..c45cd6a2aa 100644
--- a/Kernel/Process.cpp
+++ b/Kernel/Process.cpp
@@ -84,17 +84,6 @@ UNMAP_AFTER_INIT void Process::initialize()
     create_signal_trampoline();
 }
 
-Vector<ProcessID> Process::all_pids()
-{
-    Vector<ProcessID> pids;
-    processes().with_shared([&](const auto& list) {
-        pids.ensure_capacity(list.size_slow());
-        for (const auto& process : list)
-            pids.append(process.pid());
-    });
-    return pids;
-}
-
 NonnullRefPtrVector<Process> Process::all_processes()
 {
     NonnullRefPtrVector<Process> output;
diff --git a/Kernel/Process.h b/Kernel/Process.h
index 5e4d89c4e7..d8a2322414 100644
--- a/Kernel/Process.h
+++ b/Kernel/Process.h
@@ -183,7 +183,6 @@ public:
     static void register_new(Process&);
     ~Process();
 
-    static Vector<ProcessID> all_pids();
     static NonnullRefPtrVector<Process> all_processes();
 
     template<typename EntryFunction>