diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_FileIO.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_FileIO.cpp
index 1c90d81d7a..84802318d4 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_FileIO.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_FileIO.cpp
@@ -93,11 +93,9 @@ void HLE_IPC_CreateVirtualFATFilesystem()
   }
 }
 
-CWII_IPC_HLE_Device_FileIO::CWII_IPC_HLE_Device_FileIO(u32 _DeviceID,
-                                                       const std::string& _rDeviceName)
-    : IWII_IPC_HLE_Device(_DeviceID, _rDeviceName, false)  // not a real hardware
-      ,
-      m_Mode(0), m_SeekPos(0), m_file()
+CWII_IPC_HLE_Device_FileIO::CWII_IPC_HLE_Device_FileIO(u32 device_id,
+                                                       const std::string& device_name)
+    : IWII_IPC_HLE_Device(device_id, device_name, false)  // not a real hardware
 {
   Common::ReadReplacements(replacements);
 }
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_FileIO.h b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_FileIO.h
index 3c004a5762..534b744f7f 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_FileIO.h
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_FileIO.h
@@ -80,8 +80,8 @@ private:
     ISFS_IOCTL_SHUTDOWN = 13
   };
 
-  u32 m_Mode;
-  u32 m_SeekPos;
+  u32 m_Mode = 0;
+  u32 m_SeekPos = 0;
 
   std::string m_filepath;
   std::shared_ptr<File::IOFile> m_file;
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 feaf536f68..92dce77723 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
@@ -17,10 +17,9 @@
 #include "Core/IPC_HLE/WII_IPC_HLE.h"
 #include "Core/IPC_HLE/WII_IPC_HLE_Device_sdio_slot0.h"
 
-CWII_IPC_HLE_Device_sdio_slot0::CWII_IPC_HLE_Device_sdio_slot0(u32 _DeviceID,
-                                                               const std::string& _rDeviceName)
-    : IWII_IPC_HLE_Device(_DeviceID, _rDeviceName), m_Status(CARD_NOT_EXIST), m_BlockLength(0),
-      m_BusWidth(0), m_Card(nullptr)
+CWII_IPC_HLE_Device_sdio_slot0::CWII_IPC_HLE_Device_sdio_slot0(const u32 device_id,
+                                                               const std::string& device_name)
+    : IWII_IPC_HLE_Device(device_id, device_name)
 {
 }
 
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_sdio_slot0.h b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_sdio_slot0.h
index 780cc79a1a..7d51547c0c 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_sdio_slot0.h
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_sdio_slot0.h
@@ -19,7 +19,7 @@ class PointerWrap;
 class CWII_IPC_HLE_Device_sdio_slot0 : public IWII_IPC_HLE_Device
 {
 public:
-  CWII_IPC_HLE_Device_sdio_slot0(u32 _DeviceID, const std::string& _rDeviceName);
+  CWII_IPC_HLE_Device_sdio_slot0(u32 device_id, const std::string& device_name);
 
   void DoState(PointerWrap& p) override;
 
@@ -110,14 +110,13 @@ private:
   // TODO do we need more than one?
   struct Event
   {
-    EventType type;
-    u32 addr;
-    Event() : type(EVENT_NONE), addr() {}
+    EventType type = EVENT_NONE;
+    u32 addr = 0;
   } m_event;
 
-  u32 m_Status;
-  u32 m_BlockLength;
-  u32 m_BusWidth;
+  u32 m_Status = CARD_NOT_EXIST;
+  u32 m_BlockLength = 0;
+  u32 m_BusWidth = 0;
 
   std::array<u32, 0x200 / sizeof(u32)> m_registers;
 
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_WiiMote.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_WiiMote.cpp
index 4cfc34fa3a..2af575eaeb 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_WiiMote.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_WiiMote.cpp
@@ -33,20 +33,17 @@ void SetUsbPointer(CWII_IPC_HLE_Device_usb_oh1_57e_305_emu* ptr)
   s_Usb = ptr;
 }
 
-CWII_IPC_HLE_WiiMote::CWII_IPC_HLE_WiiMote(CWII_IPC_HLE_Device_usb_oh1_57e_305_emu* _pHost,
-                                           int _Number, bdaddr_t _BD, bool ready)
-    : m_HIDControlChannel_Connected(false), m_HIDControlChannel_ConnectedWait(false),
-      m_HIDControlChannel_Config(false), m_HIDControlChannel_ConfigWait(false),
-      m_HIDInterruptChannel_Connected(false), m_HIDInterruptChannel_ConnectedWait(false),
-      m_HIDInterruptChannel_Config(false), m_HIDInterruptChannel_ConfigWait(false), m_BD(_BD),
-      m_Name(_Number == WIIMOTE_BALANCE_BOARD ? "Nintendo RVL-WBC-01" : "Nintendo RVL-CNT-01"),
-      m_pHost(_pHost)
+CWII_IPC_HLE_WiiMote::CWII_IPC_HLE_WiiMote(CWII_IPC_HLE_Device_usb_oh1_57e_305_emu* host,
+                                           int number, bdaddr_t bd, bool ready)
+    : m_BD(bd),
+      m_Name(number == WIIMOTE_BALANCE_BOARD ? "Nintendo RVL-WBC-01" : "Nintendo RVL-CNT-01"),
+      m_pHost(host)
 {
-  INFO_LOG(WII_IPC_WIIMOTE, "Wiimote: #%i Constructed", _Number);
+  INFO_LOG(WII_IPC_WIIMOTE, "Wiimote: #%i Constructed", number);
 
   m_ConnectionState = (ready) ? CONN_READY : CONN_INACTIVE;
-  m_ConnectionHandle = 0x100 + _Number;
-  memset(m_LinkKey, 0xA0 + _Number, HCI_KEY_SIZE);
+  m_ConnectionHandle = 0x100 + number;
+  memset(m_LinkKey, 0xA0 + number, HCI_KEY_SIZE);
 
   bdaddr_t _nullBD = BDADDR_ANY;
   if (memcmp(&m_BD, &_nullBD, sizeof(bdaddr_t)) == 0)
@@ -56,7 +53,7 @@ CWII_IPC_HLE_WiiMote::CWII_IPC_HLE_WiiMote(CWII_IPC_HLE_Device_usb_oh1_57e_305_e
     m_BD.b[2] = 0x19;
     m_BD.b[3] = 0x79;
     m_BD.b[4] = 0x00;
-    m_BD.b[5] = _Number;
+    m_BD.b[5] = number;
   }
   uclass[0] = 0x00;
   uclass[1] = 0x04;
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_WiiMote.h b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_WiiMote.h
index 8f463b36c4..6cad26047c 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_WiiMote.h
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_WiiMote.h
@@ -76,14 +76,14 @@ private:
   };
   ConnectionState m_ConnectionState;
 
-  bool m_HIDControlChannel_Connected;
-  bool m_HIDControlChannel_ConnectedWait;
-  bool m_HIDControlChannel_Config;
-  bool m_HIDControlChannel_ConfigWait;
-  bool m_HIDInterruptChannel_Connected;
-  bool m_HIDInterruptChannel_ConnectedWait;
-  bool m_HIDInterruptChannel_Config;
-  bool m_HIDInterruptChannel_ConfigWait;
+  bool m_HIDControlChannel_Connected = false;
+  bool m_HIDControlChannel_ConnectedWait = false;
+  bool m_HIDControlChannel_Config = false;
+  bool m_HIDControlChannel_ConfigWait = false;
+  bool m_HIDInterruptChannel_Connected = false;
+  bool m_HIDInterruptChannel_ConnectedWait = false;
+  bool m_HIDInterruptChannel_Config = false;
+  bool m_HIDInterruptChannel_ConfigWait = false;
 
   // STATE_TO_SAVE
   bdaddr_t m_BD;