diff --git a/Source/Core/Common/x64Emitter.cpp b/Source/Core/Common/x64Emitter.cpp
index fb8d2eb114..4371763060 100644
--- a/Source/Core/Common/x64Emitter.cpp
+++ b/Source/Core/Common/x64Emitter.cpp
@@ -1037,7 +1037,7 @@ void OpArg::WriteSingleByteOp(XEmitter *emit, u8 op, X64Reg _operandReg, int bit
 //operand can either be immediate or register
 void OpArg::WriteNormalOp(XEmitter *emit, bool toRM, NormalOp op, const OpArg &operand, int bits) const
 {
-	X64Reg _operandReg = (X64Reg)this->operandReg;
+	X64Reg _operandReg;
 	if (IsImm())
 	{
 		_assert_msg_(DYNA_REC, 0, "WriteNormalOp - Imm argument, wrong order");
@@ -1051,7 +1051,6 @@ void OpArg::WriteNormalOp(XEmitter *emit, bool toRM, NormalOp op, const OpArg &o
 
 	if (operand.IsImm())
 	{
-		_operandReg = (X64Reg)0;
 		WriteRex(emit, bits, bits);
 
 		if (!toRM)
diff --git a/Source/Core/DiscIO/BannerLoaderWii.cpp b/Source/Core/DiscIO/BannerLoaderWii.cpp
index dc32765b3b..84f264d40d 100644
--- a/Source/Core/DiscIO/BannerLoaderWii.cpp
+++ b/Source/Core/DiscIO/BannerLoaderWii.cpp
@@ -22,7 +22,7 @@ namespace DiscIO
 
 CBannerLoaderWii::CBannerLoaderWii(DiscIO::IVolume *pVolume)
 {
-	u64 TitleID;
+	u64 TitleID = 0;
 	pVolume->GetTitleID((u8*)&TitleID);
 	TitleID = Common::swap64(TitleID);
 
diff --git a/Source/Core/DiscIO/VolumeGC.cpp b/Source/Core/DiscIO/VolumeGC.cpp
index 9c3dfadf17..77d50da2ed 100644
--- a/Source/Core/DiscIO/VolumeGC.cpp
+++ b/Source/Core/DiscIO/VolumeGC.cpp
@@ -156,7 +156,7 @@ u64 CVolumeGC::GetRawSize() const
 
 bool CVolumeGC::IsDiscTwo() const
 {
-	bool discTwo;
+	bool discTwo = false;
 	Read(6,1, (u8*) &discTwo);
 	return discTwo;
 }
diff --git a/Source/Core/DolphinWX/ISOFile.cpp b/Source/Core/DolphinWX/ISOFile.cpp
index 891d194df8..81cf223284 100644
--- a/Source/Core/DolphinWX/ISOFile.cpp
+++ b/Source/Core/DolphinWX/ISOFile.cpp
@@ -288,7 +288,7 @@ const std::string GameListItem::GetWiiFSPath() const
 
 	if (DiscIO::IsVolumeWiiDisc(iso) || DiscIO::IsVolumeWadFile(iso))
 	{
-		u64 title;
+		u64 title = 0;
 
 		iso->GetTitleID((u8*)&title);
 		title = Common::swap64(title);