diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device.cpp
index 3e79ec5fe4..ef9ecd616c 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device.cpp
@@ -81,30 +81,35 @@ IPCCommandResult IWII_IPC_HLE_Device::Close(u32 command_address, bool force)
 IPCCommandResult IWII_IPC_HLE_Device::Seek(u32 command_address)
 {
   WARN_LOG(WII_IPC_HLE, "%s does not support Seek()", m_name.c_str());
+  Memory::Write_U32(IPC_EINVAL, command_address);
   return GetDefaultReply();
 }
 
 IPCCommandResult IWII_IPC_HLE_Device::Read(u32 command_address)
 {
   WARN_LOG(WII_IPC_HLE, "%s does not support Read()", m_name.c_str());
+  Memory::Write_U32(IPC_EINVAL, command_address);
   return GetDefaultReply();
 }
 
 IPCCommandResult IWII_IPC_HLE_Device::Write(u32 command_address)
 {
   WARN_LOG(WII_IPC_HLE, "%s does not support Write()", m_name.c_str());
+  Memory::Write_U32(IPC_EINVAL, command_address);
   return GetDefaultReply();
 }
 
 IPCCommandResult IWII_IPC_HLE_Device::IOCtl(u32 command_address)
 {
   WARN_LOG(WII_IPC_HLE, "%s does not support IOCtl()", m_name.c_str());
+  Memory::Write_U32(IPC_EINVAL, command_address);
   return GetDefaultReply();
 }
 
 IPCCommandResult IWII_IPC_HLE_Device::IOCtlV(u32 command_address)
 {
   WARN_LOG(WII_IPC_HLE, "%s does not support IOCtlV()", m_name.c_str());
+  Memory::Write_U32(IPC_EINVAL, command_address);
   return GetDefaultReply();
 }
 
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_base.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_base.cpp
index 1c8192162c..4f6b9d77b0 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_base.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_base.cpp
@@ -50,14 +50,6 @@ void RestoreBTInfoSection(SysConf* sysconf)
   File::Delete(filename);
 }
 
-IPCCommandResult CWII_IPC_HLE_Device_usb_oh1_57e_305_base::IOCtl(u32 command_address)
-{
-  // NeoGamma (homebrew) is known to use this path.
-  ERROR_LOG(WII_IPC_WIIMOTE, "Bad IOCtl to /dev/usb/oh1/57e/305");
-  Memory::Write_U32(IPC_EINVAL, command_address + 4);
-  return GetDefaultReply();
-}
-
 CWII_IPC_HLE_Device_usb_oh1_57e_305_base::CtrlMessage::CtrlMessage(const SIOCtlVBuffer& cmd_buffer)
 {
   request_type = Memory::Read_U8(cmd_buffer.InBuffer[0].m_Address);
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_base.h b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_base.h
index ffc1a32286..07a3807b7f 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_base.h
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_base.h
@@ -28,7 +28,6 @@ public:
 
   virtual IPCCommandResult Open(u32 command_address, u32 mode) override = 0;
   virtual IPCCommandResult Close(u32 command_address, bool force) override = 0;
-  IPCCommandResult IOCtl(u32 command_address) override;
   virtual IPCCommandResult IOCtlV(u32 command_address) override = 0;
 
   virtual void DoState(PointerWrap& p) override = 0;
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_emu.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_emu.cpp
index 1de1e473d6..1750cbf703 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_emu.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_emu.cpp
@@ -172,14 +172,6 @@ IPCCommandResult CWII_IPC_HLE_Device_usb_oh1_57e_305_emu::Close(u32 _CommandAddr
   return GetDefaultReply();
 }
 
-IPCCommandResult CWII_IPC_HLE_Device_usb_oh1_57e_305_emu::IOCtl(u32 _CommandAddress)
-{
-  // NeoGamma (homebrew) is known to use this path.
-  ERROR_LOG(WII_IPC_WIIMOTE, "Bad IOCtl in CWII_IPC_HLE_Device_usb_oh1_57e_305");
-  Memory::Write_U32(IPC_EINVAL, _CommandAddress + 4);
-  return GetDefaultReply();
-}
-
 IPCCommandResult CWII_IPC_HLE_Device_usb_oh1_57e_305_emu::IOCtlV(u32 _CommandAddress)
 {
   bool _SendReply = false;
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_emu.h b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_emu.h
index 0fb8a4ef75..8161819ed1 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_emu.h
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_emu.h
@@ -47,7 +47,6 @@ public:
   IPCCommandResult Close(u32 _CommandAddress, bool _bForce) override;
 
   IPCCommandResult IOCtlV(u32 _CommandAddress) override;
-  IPCCommandResult IOCtl(u32 _CommandAddress) override;
 
   u32 Update() override;