diff --git a/Source/Core/Core/BootManager.cpp b/Source/Core/Core/BootManager.cpp
index e6cec100cc..19d101c455 100644
--- a/Source/Core/Core/BootManager.cpp
+++ b/Source/Core/Core/BootManager.cpp
@@ -48,7 +48,7 @@ namespace BootManager
 struct ConfigCache
 {
 	bool valid, bCPUThread, bSkipIdle, bFPRF, bBAT, bMMU, bDCBZOFF, m_EnableJIT, bDSPThread,
-	     bSyncGPU, bFastDiscSpeed, bMergeBlocks, bDSPHLE, bHLE_BS2, bProgressive;
+	     bSyncGPU, bFastDiscSpeed, bDSPHLE, bHLE_BS2, bProgressive;
 	int iCPUCore, Volume;
 	int iWiimoteSource[MAX_BBMOTES];
 	SIDevices Pads[MAX_SI_CHANNELS];
@@ -119,7 +119,6 @@ bool BootCore(const std::string& _rFilename)
 		config_cache.bDCBZOFF = StartUp.bDCBZOFF;
 		config_cache.bSyncGPU = StartUp.bSyncGPU;
 		config_cache.bFastDiscSpeed = StartUp.bFastDiscSpeed;
-		config_cache.bMergeBlocks = StartUp.bMergeBlocks;
 		config_cache.bDSPHLE = StartUp.bDSPHLE;
 		config_cache.strBackend = StartUp.m_strVideoBackend;
 		config_cache.m_strGPUDeterminismMode = StartUp.m_strGPUDeterminismMode;
@@ -160,7 +159,6 @@ bool BootCore(const std::string& _rFilename)
 		core_section->Get("DCBZ",             &StartUp.bDCBZOFF, StartUp.bDCBZOFF);
 		core_section->Get("SyncGPU",          &StartUp.bSyncGPU, StartUp.bSyncGPU);
 		core_section->Get("FastDiscSpeed",    &StartUp.bFastDiscSpeed, StartUp.bFastDiscSpeed);
-		core_section->Get("BlockMerging",     &StartUp.bMergeBlocks, StartUp.bMergeBlocks);
 		core_section->Get("DSPHLE",           &StartUp.bDSPHLE, StartUp.bDSPHLE);
 		core_section->Get("GFXBackend",       &StartUp.m_strVideoBackend, StartUp.m_strVideoBackend);
 		core_section->Get("CPUCore",          &StartUp.iCPUCore, StartUp.iCPUCore);
@@ -288,7 +286,6 @@ void Stop()
 		StartUp.bDCBZOFF = config_cache.bDCBZOFF;
 		StartUp.bSyncGPU = config_cache.bSyncGPU;
 		StartUp.bFastDiscSpeed = config_cache.bFastDiscSpeed;
-		StartUp.bMergeBlocks = config_cache.bMergeBlocks;
 		StartUp.bDSPHLE = config_cache.bDSPHLE;
 		StartUp.m_strVideoBackend = config_cache.strBackend;
 		StartUp.m_strGPUDeterminismMode = config_cache.m_strGPUDeterminismMode;
diff --git a/Source/Core/Core/CoreParameter.cpp b/Source/Core/Core/CoreParameter.cpp
index 7506e676c7..8ec5e933c7 100644
--- a/Source/Core/Core/CoreParameter.cpp
+++ b/Source/Core/Core/CoreParameter.cpp
@@ -36,7 +36,7 @@ SCoreStartupParameter::SCoreStartupParameter()
   bCPUThread(true), bDSPThread(false), bDSPHLE(true),
   bSkipIdle(true), bSyncGPUOnSkipIdleHack(true), bNTSC(false), bForceNTSCJ(false),
   bHLE_BS2(true), bEnableCheats(false),
-  bMergeBlocks(false), bEnableMemcardSaving(true),
+  bEnableMemcardSaving(true),
   bDPL2Decoder(false), iLatency(14),
   bRunCompareServer(false), bRunCompareClient(false),
   bBAT(false), bMMU(false), bDCBZOFF(false),
@@ -80,7 +80,6 @@ void SCoreStartupParameter::LoadDefaults()
 	iBBDumpPort = -1;
 	bSyncGPU = false;
 	bFastDiscSpeed = false;
-	bMergeBlocks = false;
 	bEnableMemcardSaving = true;
 	SelectedLanguage = 0;
 	bWii = false;
diff --git a/Source/Core/Core/CoreParameter.h b/Source/Core/Core/CoreParameter.h
index 047f6c6f8c..8bf591331a 100644
--- a/Source/Core/Core/CoreParameter.h
+++ b/Source/Core/Core/CoreParameter.h
@@ -172,7 +172,6 @@ struct SCoreStartupParameter
 	bool bForceNTSCJ;
 	bool bHLE_BS2;
 	bool bEnableCheats;
-	bool bMergeBlocks;
 	bool bEnableMemcardSaving;
 
 	bool bDPL2Decoder;
diff --git a/Source/Core/DolphinWX/ISOProperties.cpp b/Source/Core/DolphinWX/ISOProperties.cpp
index 53257973ef..1a775ea357 100644
--- a/Source/Core/DolphinWX/ISOProperties.cpp
+++ b/Source/Core/DolphinWX/ISOProperties.cpp
@@ -414,7 +414,6 @@ void CISOProperties::CreateGUIControls(bool IsWad)
 	SyncGPU->SetToolTip(_("Synchronizes the GPU and CPU threads to help prevent random freezes in Dual Core mode. (ON = Compatible, OFF = Fast)"));
 	FastDiscSpeed = new wxCheckBox(m_GameConfig, ID_DISCSPEED, _("Speed up Disc Transfer Rate"), wxDefaultPosition, wxDefaultSize, GetElementStyle("Core", "FastDiscSpeed"));
 	FastDiscSpeed->SetToolTip(_("Enable fast disc access. Needed for a few games. (ON = Fast, OFF = Compatible)"));
-	BlockMerging = new wxCheckBox(m_GameConfig, ID_MERGEBLOCKS, _("Enable Block Merging"), wxDefaultPosition, wxDefaultSize, GetElementStyle("Core", "BlockMerging"));
 	DSPHLE = new wxCheckBox(m_GameConfig, ID_AUDIO_DSP_HLE, _("DSP HLE emulation (fast)"), wxDefaultPosition, wxDefaultSize, GetElementStyle("Core", "DSPHLE"));
 
 	wxBoxSizer* const sGPUDeterminism = new wxBoxSizer(wxHORIZONTAL);
@@ -471,7 +470,6 @@ void CISOProperties::CreateGUIControls(bool IsWad)
 	sbCoreOverrides->Add(FPRF, 0, wxLEFT, 5);
 	sbCoreOverrides->Add(SyncGPU, 0, wxLEFT, 5);
 	sbCoreOverrides->Add(FastDiscSpeed, 0, wxLEFT, 5);
-	sbCoreOverrides->Add(BlockMerging, 0, wxLEFT, 5);
 	sbCoreOverrides->Add(DSPHLE, 0, wxLEFT, 5);
 	sbCoreOverrides->Add(sGPUDeterminism, 0, wxEXPAND|wxALL, 5);
 
@@ -1062,7 +1060,6 @@ void CISOProperties::LoadGameConfig()
 	SetCheckboxValueFromGameini("Core", "FPRF", FPRF);
 	SetCheckboxValueFromGameini("Core", "SyncGPU", SyncGPU);
 	SetCheckboxValueFromGameini("Core", "FastDiscSpeed", FastDiscSpeed);
-	SetCheckboxValueFromGameini("Core", "BlockMerging", BlockMerging);
 	SetCheckboxValueFromGameini("Core", "DSPHLE", DSPHLE);
 	SetCheckboxValueFromGameini("Wii", "Widescreen", EnableWideScreen);
 	SetCheckboxValueFromGameini("Video_Stereoscopy", "StereoEFBMonoDepth", MonoDepth);
@@ -1158,7 +1155,6 @@ bool CISOProperties::SaveGameConfig()
 	SaveGameIniValueFrom3StateCheckbox("Core", "FPRF", FPRF);
 	SaveGameIniValueFrom3StateCheckbox("Core", "SyncGPU", SyncGPU);
 	SaveGameIniValueFrom3StateCheckbox("Core", "FastDiscSpeed", FastDiscSpeed);
-	SaveGameIniValueFrom3StateCheckbox("Core", "BlockMerging", BlockMerging);
 	SaveGameIniValueFrom3StateCheckbox("Core", "DSPHLE", DSPHLE);
 	SaveGameIniValueFrom3StateCheckbox("Wii", "Widescreen", EnableWideScreen);
 	SaveGameIniValueFrom3StateCheckbox("Video_Stereoscopy", "StereoEFBMonoDepth", MonoDepth);
diff --git a/Source/Core/DolphinWX/ISOProperties.h b/Source/Core/DolphinWX/ISOProperties.h
index dfd202611b..84e3d86543 100644
--- a/Source/Core/DolphinWX/ISOProperties.h
+++ b/Source/Core/DolphinWX/ISOProperties.h
@@ -70,7 +70,7 @@ private:
 
 	// Core
 	wxCheckBox *CPUThread, *SkipIdle, *MMU, *BAT, *DCBZOFF, *FPRF;
-	wxCheckBox *SyncGPU, *FastDiscSpeed, *BlockMerging, *DSPHLE;
+	wxCheckBox *SyncGPU, *FastDiscSpeed, *DSPHLE;
 
 	wxArrayString arrayStringFor_GPUDeterminism;
 	wxChoice* GPUDeterminism;
@@ -138,7 +138,6 @@ private:
 		ID_DCBZOFF,
 		ID_SYNCGPU,
 		ID_DISCSPEED,
-		ID_MERGEBLOCKS,
 		ID_AUDIO_DSP_HLE,
 		ID_USE_BBOX,
 		ID_ENABLEPROGRESSIVESCAN,