diff --git a/Kernel/Devices/HID/KeyboardDevice.cpp b/Kernel/Devices/HID/KeyboardDevice.cpp
index 68a5efedc2e..fd59ffe8253 100644
--- a/Kernel/Devices/HID/KeyboardDevice.cpp
+++ b/Kernel/Devices/HID/KeyboardDevice.cpp
@@ -306,11 +306,6 @@ KResultOr<size_t> KeyboardDevice::read(OpenFileDescription&, u64, UserOrKernelBu
     return nread;
 }
 
-KResultOr<size_t> KeyboardDevice::write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t)
-{
-    return 0;
-}
-
 KResult KeyboardDevice::ioctl(OpenFileDescription&, unsigned request, Userspace<void*> arg)
 {
     switch (request) {
diff --git a/Kernel/Devices/HID/KeyboardDevice.h b/Kernel/Devices/HID/KeyboardDevice.h
index 05353fe3455..b6f80ddf4b9 100644
--- a/Kernel/Devices/HID/KeyboardDevice.h
+++ b/Kernel/Devices/HID/KeyboardDevice.h
@@ -27,7 +27,7 @@ public:
     // ^CharacterDevice
     virtual KResultOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual bool can_read(const OpenFileDescription&, size_t) const override;
-    virtual KResultOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
+    virtual KResultOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override { return EINVAL; }
     virtual bool can_write(const OpenFileDescription&, size_t) const override { return true; }
 
     // ^HIDDevice
diff --git a/Kernel/Devices/HID/MouseDevice.cpp b/Kernel/Devices/HID/MouseDevice.cpp
index a3c263d570f..152ded74212 100644
--- a/Kernel/Devices/HID/MouseDevice.cpp
+++ b/Kernel/Devices/HID/MouseDevice.cpp
@@ -48,9 +48,4 @@ KResultOr<size_t> MouseDevice::read(OpenFileDescription&, u64, UserOrKernelBuffe
     return nread;
 }
 
-KResultOr<size_t> MouseDevice::write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t)
-{
-    return 0;
-}
-
 }
diff --git a/Kernel/Devices/HID/MouseDevice.h b/Kernel/Devices/HID/MouseDevice.h
index 6df59de9d78..14029050fee 100644
--- a/Kernel/Devices/HID/MouseDevice.h
+++ b/Kernel/Devices/HID/MouseDevice.h
@@ -25,7 +25,7 @@ public:
     // ^CharacterDevice
     virtual KResultOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual bool can_read(const OpenFileDescription&, size_t) const override;
-    virtual KResultOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
+    virtual KResultOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override { return EINVAL; }
     virtual bool can_write(const OpenFileDescription&, size_t) const override { return true; }
 
     // ^HIDDevice