diff --git a/Kernel/Arch/aarch64/Dummy.cpp b/Kernel/Arch/aarch64/Dummy.cpp
index a2dae40bef..f83fd37d69 100644
--- a/Kernel/Arch/aarch64/Dummy.cpp
+++ b/Kernel/Arch/aarch64/Dummy.cpp
@@ -159,12 +159,7 @@ void Thread::SleepBlocker::was_unblocked(bool)
     TODO_AARCH64();
 }
 
-}
-
-// WaitQueue
-namespace Kernel {
-
-u32 WaitQueue::wake_all()
+bool Thread::WaitQueueBlocker::unblock()
 {
     TODO_AARCH64();
 }
diff --git a/Kernel/CMakeLists.txt b/Kernel/CMakeLists.txt
index 317df091d2..c9e6778ff4 100644
--- a/Kernel/CMakeLists.txt
+++ b/Kernel/CMakeLists.txt
@@ -512,6 +512,7 @@ else()
         ThreadTracer.cpp
         UBSanitizer.cpp
         UserOrKernelBuffer.cpp
+        WaitQueue.cpp
 
         Devices/DeviceManagement.cpp