diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_DI.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_DI.cpp
index 53454c70bf..e00fa4c84b 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_DI.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_DI.cpp
@@ -34,7 +34,6 @@ void CWII_IPC_HLE_Device_di::DoState(PointerWrap& p)
 
 IPCCommandResult CWII_IPC_HLE_Device_di::Open(u32 _CommandAddress, u32 _Mode)
 {
-  Memory::Write_U32(GetDeviceID(), _CommandAddress + 4);
   m_Active = true;
   return GetDefaultReply();
 }
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_es.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_es.cpp
index 2c514aecd8..17a186f3bd 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_es.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_es.cpp
@@ -184,7 +184,6 @@ IPCCommandResult CWII_IPC_HLE_Device_es::Open(u32 _CommandAddress, u32 _Mode)
 {
   OpenInternal();
 
-  Memory::Write_U32(GetDeviceID(), _CommandAddress + 4);
   if (m_Active)
     INFO_LOG(WII_IPC_ES, "Device was re-opened.");
   m_Active = true;
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_fs.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_fs.cpp
index 102912c307..e31b04b4d7 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_fs.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_fs.cpp
@@ -52,7 +52,6 @@ IPCCommandResult CWII_IPC_HLE_Device_fs::Open(u32 _CommandAddress, u32 _Mode)
     File::CreateDir(Path);
   }
 
-  Memory::Write_U32(GetDeviceID(), _CommandAddress + 4);
   m_Active = true;
   return GetFSReply();
 }
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_hid.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_hid.cpp
index efe3a60660..73c6ec5101 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_hid.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_hid.cpp
@@ -108,7 +108,6 @@ IPCCommandResult CWII_IPC_HLE_Device_hid::Open(u32 _CommandAddress, u32 _Mode)
 {
   INFO_LOG(WII_IPC_HID, "HID::Open");
   m_Active = true;
-  Memory::Write_U32(GetDeviceID(), _CommandAddress + 4);
   return GetDefaultReply();
 }
 
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net.cpp
index efdef61030..01be4e0187 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net.cpp
@@ -75,7 +75,6 @@ CWII_IPC_HLE_Device_net_kd_request::~CWII_IPC_HLE_Device_net_kd_request()
 IPCCommandResult CWII_IPC_HLE_Device_net_kd_request::Open(u32 _CommandAddress, u32 _Mode)
 {
   INFO_LOG(WII_IPC_WC24, "NET_KD_REQ: Open");
-  Memory::Write_U32(GetDeviceID(), _CommandAddress + 4);
   m_Active = true;
   return GetDefaultReply();
 }
@@ -357,7 +356,6 @@ CWII_IPC_HLE_Device_net_ncd_manage::~CWII_IPC_HLE_Device_net_ncd_manage()
 IPCCommandResult CWII_IPC_HLE_Device_net_ncd_manage::Open(u32 _CommandAddress, u32 _Mode)
 {
   INFO_LOG(WII_IPC_NET, "NET_NCD_MANAGE: Open");
-  Memory::Write_U32(GetDeviceID(), _CommandAddress + 4);
   m_Active = true;
   return GetDefaultReply();
 }
@@ -456,7 +454,6 @@ CWII_IPC_HLE_Device_net_wd_command::~CWII_IPC_HLE_Device_net_wd_command()
 IPCCommandResult CWII_IPC_HLE_Device_net_wd_command::Open(u32 CommandAddress, u32 Mode)
 {
   INFO_LOG(WII_IPC_NET, "NET_WD_COMMAND: Open");
-  Memory::Write_U32(GetDeviceID(), CommandAddress + 4);
   m_Active = true;
   return GetDefaultReply();
 }
@@ -585,7 +582,6 @@ CWII_IPC_HLE_Device_net_ip_top::~CWII_IPC_HLE_Device_net_ip_top()
 IPCCommandResult CWII_IPC_HLE_Device_net_ip_top::Open(u32 _CommandAddress, u32 _Mode)
 {
   INFO_LOG(WII_IPC_NET, "NET_IP_TOP: Open");
-  Memory::Write_U32(GetDeviceID(), _CommandAddress + 4);
   m_Active = true;
   return GetDefaultReply();
 }
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net.h b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net.h
index ace3d41e9b..9fa0ba8822 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net.h
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net.h
@@ -91,7 +91,6 @@ public:
   IPCCommandResult Open(u32 _CommandAddress, u32 _Mode) override
   {
     INFO_LOG(WII_IPC_NET, "NET_KD_TIME: Open");
-    Memory::Write_U32(GetDeviceID(), _CommandAddress + 4);
     return GetDefaultReply();
   }
 
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net_ssl.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net_ssl.cpp
index 9e093bf4ae..8600094b96 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net_ssl.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net_ssl.cpp
@@ -77,7 +77,6 @@ int CWII_IPC_HLE_Device_net_ssl::GetSSLFreeID() const
 
 IPCCommandResult CWII_IPC_HLE_Device_net_ssl::Open(u32 _CommandAddress, u32 _Mode)
 {
-  Memory::Write_U32(GetDeviceID(), _CommandAddress + 4);
   m_Active = true;
   return GetDefaultReply();
 }
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_sdio_slot0.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_sdio_slot0.cpp
index 92dce77723..7d1be34771 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_sdio_slot0.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_sdio_slot0.cpp
@@ -76,7 +76,6 @@ IPCCommandResult CWII_IPC_HLE_Device_sdio_slot0::Open(u32 _CommandAddress, u32 _
 
   OpenInternal();
 
-  Memory::Write_U32(GetDeviceID(), _CommandAddress + 0x4);
   m_registers.fill(0);
   m_Active = true;
   return GetDefaultReply();
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stm.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stm.cpp
index d772868154..71bdb463ec 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stm.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stm.cpp
@@ -21,7 +21,6 @@ static u32 s_event_hook_address = 0;
 IPCCommandResult CWII_IPC_HLE_Device_stm_immediate::Open(u32 command_address, u32 mode)
 {
   INFO_LOG(WII_IPC_STM, "STM immediate: Open");
-  Memory::Write_U32(GetDeviceID(), command_address + 4);
   m_Active = true;
   return GetDefaultReply();
 }
@@ -107,7 +106,6 @@ IPCCommandResult CWII_IPC_HLE_Device_stm_immediate::IOCtl(u32 command_address)
 
 IPCCommandResult CWII_IPC_HLE_Device_stm_eventhook::Open(u32 command_address, u32 mode)
 {
-  Memory::Write_U32(GetDeviceID(), command_address + 4);
   m_Active = true;
   return GetDefaultReply();
 }
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stub.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stub.cpp
index 2782f4a745..23bdd37a7f 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stub.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stub.cpp
@@ -14,7 +14,6 @@ CWII_IPC_HLE_Device_stub::CWII_IPC_HLE_Device_stub(u32 device_id, const std::str
 IPCCommandResult CWII_IPC_HLE_Device_stub::Open(u32 command_address, u32 mode)
 {
   WARN_LOG(WII_IPC_HLE, "%s faking Open()", m_Name.c_str());
-  Memory::Write_U32(GetDeviceID(), command_address + 4);
   m_Active = true;
   return GetDefaultReply();
 }
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 cdf8d3deca..a45967f08c 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
@@ -154,7 +154,6 @@ IPCCommandResult CWII_IPC_HLE_Device_usb_oh1_57e_305_emu::Open(u32 _CommandAddre
   m_HCIEndpoint.m_cmd_address = 0;
   m_ACLEndpoint.m_cmd_address = 0;
 
-  Memory::Write_U32(GetDeviceID(), _CommandAddress + 4);
   m_Active = true;
   return GetDefaultReply();
 }
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_real.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_real.cpp
index 12e38b9a84..26df4c2034 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_real.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_bt_real.cpp
@@ -141,7 +141,6 @@ IPCCommandResult CWII_IPC_HLE_Device_usb_oh1_57e_305_real::Open(u32 command_addr
 
   StartTransferThread();
 
-  Memory::Write_U32(GetDeviceID(), command_address + 4);
   m_Active = true;
   return GetDefaultReply();
 }
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_ven.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_ven.cpp
index 87f9cecedd..dde4d2db5c 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_ven.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_usb_ven.cpp
@@ -18,7 +18,6 @@ CWII_IPC_HLE_Device_usb_ven::~CWII_IPC_HLE_Device_usb_ven()
 
 IPCCommandResult CWII_IPC_HLE_Device_usb_ven::Open(u32 command_address, u32 mode)
 {
-  Memory::Write_U32(GetDeviceID(), command_address + 4);
   m_Active = true;
   return GetDefaultReply();
 }