diff --git a/Kernel/Devices/KeyboardDevice.h b/Kernel/Devices/KeyboardDevice.h
index 37472daf4d..8a90694d94 100644
--- a/Kernel/Devices/KeyboardDevice.h
+++ b/Kernel/Devices/KeyboardDevice.h
@@ -15,7 +15,7 @@ class KeyboardDevice final : public IRQHandler
 public:
     using Event = KeyEvent;
 
-    [[gnu::pure]] static KeyboardDevice& the();
+    static KeyboardDevice& the();
 
     virtual ~KeyboardDevice() override;
     KeyboardDevice();
diff --git a/Kernel/FileSystem/DevPtsFS.h b/Kernel/FileSystem/DevPtsFS.h
index b285814cf5..c834b82156 100644
--- a/Kernel/FileSystem/DevPtsFS.h
+++ b/Kernel/FileSystem/DevPtsFS.h
@@ -8,7 +8,7 @@ class SlavePTY;
 
 class DevPtsFS final : public SynthFS {
 public:
-    [[gnu::pure]] static DevPtsFS& the();
+    static DevPtsFS& the();
 
     virtual ~DevPtsFS() override;
     static NonnullRefPtr<DevPtsFS> create();
diff --git a/Kernel/FileSystem/ProcFS.h b/Kernel/FileSystem/ProcFS.h
index 1adf44705c..14019b4fd5 100644
--- a/Kernel/FileSystem/ProcFS.h
+++ b/Kernel/FileSystem/ProcFS.h
@@ -13,7 +13,7 @@ class ProcFS final : public FS {
     friend class ProcFSInode;
 
 public:
-    [[gnu::pure]] static ProcFS& the();
+    static ProcFS& the();
 
     virtual ~ProcFS() override;
     static NonnullRefPtr<ProcFS> create();
diff --git a/Kernel/FileSystem/VirtualFileSystem.h b/Kernel/FileSystem/VirtualFileSystem.h
index adf82d0b66..230dadb7ad 100644
--- a/Kernel/FileSystem/VirtualFileSystem.h
+++ b/Kernel/FileSystem/VirtualFileSystem.h
@@ -51,7 +51,7 @@ public:
         RefPtr<Custody> m_host_custody;
     };
 
-    [[gnu::pure]] static VFS& the();
+    static VFS& the();
 
     VFS();
     ~VFS();
diff --git a/Kernel/VM/MemoryManager.h b/Kernel/VM/MemoryManager.h
index b3d59338d6..002911baae 100644
--- a/Kernel/VM/MemoryManager.h
+++ b/Kernel/VM/MemoryManager.h
@@ -40,7 +40,7 @@ class MemoryManager {
     friend ByteBuffer procfs$memstat(InodeIdentifier);
 
 public:
-    [[gnu::pure]] static MemoryManager& the();
+    static MemoryManager& the();
 
     static void initialize();