diff --git a/pcsx2/IPU/mpeg2lib/Mpeg.cpp b/pcsx2/IPU/mpeg2lib/Mpeg.cpp
index 4a0bf9c611..778adaa9f8 100644
--- a/pcsx2/IPU/mpeg2lib/Mpeg.cpp
+++ b/pcsx2/IPU/mpeg2lib/Mpeg.cpp
@@ -255,6 +255,7 @@ int get_macroblock_address_increment()
 				DUMPBITS(11);
 				return 0xb0022;
 			}
+			// Fall through
 
 		default:
 			return 0;//error
@@ -434,6 +435,7 @@ static bool get_intra_block()
 			ipu_cmd.pos[4] = 0;
 			return true;
 		}
+		// Fall through
 
 	  case 1:
 	  {
@@ -586,6 +588,7 @@ static bool get_non_intra_block(int * last)
 				ipu_cmd.pos[4] = 0;
 				return true;
 			}
+			// Fall through
 
 		case 1:
 			if (!GETWORD())
@@ -704,6 +707,7 @@ __fi bool mpeg2sliceIDEC()
 
 		ipuRegs.top = 0;
 		ipuRegs.ctrl.ECD = 0;
+		// Fall through
 
 	case 1:
 		ipu_cmd.pos[0] = 1;
@@ -711,6 +715,7 @@ __fi bool mpeg2sliceIDEC()
 		{
 			return false;
 		}
+		// Fall through
 
 	case 2:
 		ipu_cmd.pos[0] = 2;
@@ -736,6 +741,7 @@ __fi bool mpeg2sliceIDEC()
 				decoder.coded_block_pattern = 0x3F;//all 6 blocks
 				memzero_sse_a(mb8);
 				memzero_sse_a(rgb32);
+				// Fall through
 
 			case 1:
 				ipu_cmd.pos[1] = 1;
@@ -760,30 +766,40 @@ __fi bool mpeg2sliceIDEC()
 						ipu_cmd.pos[2] = 1;
 						return false;
 					}
+					// Fall through
+
 				case 2:
 					if (!slice_intra_DCT(0, (u8*)mb8.Y + 8, DCT_stride, ipu_cmd.pos[2] == 2))
 					{
 						ipu_cmd.pos[2] = 2;
 						return false;
 					}
+					// Fall through
+
 				case 3:
 					if (!slice_intra_DCT(0, (u8*)mb8.Y + DCT_offset, DCT_stride, ipu_cmd.pos[2] == 3))
 					{
 						ipu_cmd.pos[2] = 3;
 						return false;
 					}
+					// Fall through
+
 				case 4:
 					if (!slice_intra_DCT(0, (u8*)mb8.Y + DCT_offset + 8, DCT_stride, ipu_cmd.pos[2] == 4))
 					{
 						ipu_cmd.pos[2] = 4;
 						return false;
 					}
+					// Fall through
+
 				case 5:
 					if (!slice_intra_DCT(1, (u8*)mb8.Cb, decoder_stride >> 1, ipu_cmd.pos[2] == 5))
 					{
 						ipu_cmd.pos[2] = 5;
 						return false;
 					}
+					// Fall through
+
 				case 6:
 					if (!slice_intra_DCT(2, (u8*)mb8.Cr, decoder_stride >> 1, ipu_cmd.pos[2] == 6))
 					{
@@ -805,6 +821,7 @@ __fi bool mpeg2sliceIDEC()
 					ipu_dither(rgb32, rgb16, decoder.dte);
 					decoder.SetOutputTo(rgb16);
 				}
+				// Fall through
 
 			case 2:
 			{
@@ -822,7 +839,8 @@ __fi bool mpeg2sliceIDEC()
 
 				mbaCount = 0;
 			}
-			
+			// Fall through
+
 			case 3:
 				while (1)
 				{
@@ -847,7 +865,7 @@ __fi bool mpeg2sliceIDEC()
 					{
 						case 8:		/* macroblock_escape */
 							mbaCount += 33;
-							/* pass through */
+							// Fall through
 
 						case 15:	/* macroblock_stuffing (MPEG1 only) */
 							DUMPBITS(11);
@@ -869,6 +887,7 @@ __fi bool mpeg2sliceIDEC()
 					decoder.dc_dct_pred[1] =
 					decoder.dc_dct_pred[2] = 128 << decoder.intra_dc_precision;
 				}
+				// Fall through
 
 			case 4:
 				if (!GETWORD())
@@ -876,7 +895,6 @@ __fi bool mpeg2sliceIDEC()
 					ipu_cmd.pos[1] = 4;
 					return false;
 				}
-
 				break;
 
 			jNO_DEFAULT;
@@ -885,9 +903,11 @@ __fi bool mpeg2sliceIDEC()
 			ipu_cmd.pos[1] = 0;
 			ipu_cmd.pos[2] = 0;
 		}
+		// Fall through
 
 finish_idec:
 		finishmpeg2sliceIDEC();
+		// Fall through
 
 	case 3:
 	{
@@ -904,6 +924,7 @@ finish_idec:
 			ipuRegs.ctrl.SCD = 1;
 		}
 	}
+	// Fall through
 
 	case 4:
 		if (!getBits32((u8*)&ipuRegs.top, 0))
@@ -942,12 +963,15 @@ __fi bool mpeg2_slice()
 		ipuRegs.top = 0;
 		memzero_sse_a(mb8);
 		memzero_sse_a(mb16);
+		// Fall through 
+
 	case 1:
 		if (!bitstream_init())
 		{
 			ipu_cmd.pos[0] = 1;
 			return false;
 		}
+		// Fall through
 
 	case 2:
 		ipu_cmd.pos[0] = 2;
@@ -969,36 +993,48 @@ __fi bool mpeg2_slice()
 			{
 			case 0:
 				decoder.coded_block_pattern = 0x3F;
+				// Fall through
+
 			case 1:
 				if (!slice_intra_DCT(0, (u8*)mb8.Y, DCT_stride, ipu_cmd.pos[1] == 1))
 				{
 					ipu_cmd.pos[1] = 1;
 					return false;
 				}
+				// Fall through
+
 			case 2:
 				if (!slice_intra_DCT(0, (u8*)mb8.Y + 8, DCT_stride, ipu_cmd.pos[1] == 2))
 				{
 					ipu_cmd.pos[1] = 2;
 					return false;
 				}
+				// Fall through
+
 			case 3:
 				if (!slice_intra_DCT(0, (u8*)mb8.Y + DCT_offset, DCT_stride, ipu_cmd.pos[1] == 3))
 				{
 					ipu_cmd.pos[1] = 3;
 					return false;
 				}
+				// Fall through
+
 			case 4:
 				if (!slice_intra_DCT(0, (u8*)mb8.Y + DCT_offset + 8, DCT_stride, ipu_cmd.pos[1] == 4))
 				{
 					ipu_cmd.pos[1] = 4;
 					return false;
 				}
+				// Fall through
+
 			case 5:
 				if (!slice_intra_DCT(1, (u8*)mb8.Cb, decoder_stride >> 1, ipu_cmd.pos[1] == 5))
 				{
 					ipu_cmd.pos[1] = 5;
 					return false;
 				}
+				// Fall through
+
 			case 6:
 				if (!slice_intra_DCT(2, (u8*)mb8.Cr, decoder_stride >> 1, ipu_cmd.pos[1] == 6))
 				{
@@ -1044,6 +1080,8 @@ __fi bool mpeg2_slice()
 				{
 				case 0:
 					decoder.coded_block_pattern = get_coded_block_pattern();  // max 9bits
+					// Fall through
+
 				case 1:
 					if (decoder.coded_block_pattern & 0x20)
 					{
@@ -1053,6 +1091,8 @@ __fi bool mpeg2_slice()
 							return false;
 						}
 					}
+					// Fall through
+
 				case 2:
 					if (decoder.coded_block_pattern & 0x10)
 					{
@@ -1062,6 +1102,8 @@ __fi bool mpeg2_slice()
 							return false;
 						}
 					}
+					// Fall through
+					
 				case 3:
 					if (decoder.coded_block_pattern & 0x08)
 					{
@@ -1071,6 +1113,8 @@ __fi bool mpeg2_slice()
 							return false;
 						}
 					}
+					// Fall through
+					
 				case 4:
 					if (decoder.coded_block_pattern & 0x04)
 					{
@@ -1080,6 +1124,8 @@ __fi bool mpeg2_slice()
 							return false;
 						}
 					}
+					// Fall through
+					
 				case 5:
 					if (decoder.coded_block_pattern & 0x2)
 					{
@@ -1089,6 +1135,8 @@ __fi bool mpeg2_slice()
 							return false;
 						}
 					}
+					// Fall through
+					
 				case 6:
 					if (decoder.coded_block_pattern & 0x1)
 					{
@@ -1110,6 +1158,7 @@ __fi bool mpeg2_slice()
 		coded_block_pattern = decoder.coded_block_pattern;
 
 		decoder.SetOutputTo(mb16);
+		// Fall through
 
 	case 3:
 	{
@@ -1127,6 +1176,7 @@ __fi bool mpeg2_slice()
 
 		mbaCount = 0;
 	}
+	// Fall through
 	
 	case 4:
 	{
@@ -1143,6 +1193,7 @@ __fi bool mpeg2_slice()
 			ipuRegs.ctrl.SCD = 1;
 		}
 	}
+	// Fall through
 	
 	case 5:
 		if (!getBits32((u8*)&ipuRegs.top, 0))
diff --git a/pcsx2/Sio.cpp b/pcsx2/Sio.cpp
index 66ca6cb903..e6eeca0150 100644
--- a/pcsx2/Sio.cpp
+++ b/pcsx2/Sio.cpp
@@ -697,6 +697,7 @@ SIO_WRITE sioWriteMemcard(u8 data)
 		case 0x11: // On Boot/Probe
 		case 0x12: // On Write/Delete/Recheck?
 			sio2.packet.recvVal3 = 0x8C;
+			// Fall through
 
 		case 0x81: // Checked right after copy/delete
 		case 0xBF: // Wtf?? On game booting?
diff --git a/pcsx2/Vif_Codes.cpp b/pcsx2/Vif_Codes.cpp
index 4373c73a72..5807fdc941 100644
--- a/pcsx2/Vif_Codes.cpp
+++ b/pcsx2/Vif_Codes.cpp
@@ -495,9 +495,9 @@ template<int idx> static __fi int _vifCode_STColRow(const u32* data, u32* pmem2)
 	pxAssume(ret > 0);
 
 	switch (ret) {
-		case 4: pmem2[3] = data[3];
-		case 3: pmem2[2] = data[2];
-		case 2: pmem2[1] = data[1];
+		case 4: pmem2[3] = data[3]; // Fall through
+		case 3: pmem2[2] = data[2]; // Fall through
+		case 2: pmem2[1] = data[1]; // Fall through
 		case 1: pmem2[0] = data[0];
 				break;
 		jNO_DEFAULT
diff --git a/pcsx2/gui/AppConfig.cpp b/pcsx2/gui/AppConfig.cpp
index 1a8cbef06f..1b63046c28 100644
--- a/pcsx2/gui/AppConfig.cpp
+++ b/pcsx2/gui/AppConfig.cpp
@@ -1048,15 +1048,19 @@ bool AppConfig::IsOkApplyPreset(int n, bool ignoreMTVU)
 		case 5: // Mostly Harmful
 			isRateSet ? 0 : (isRateSet = true, EmuOptions.Speedhacks.EECycleRate = 1); // +1 EE cyclerate
 			isSkipSet ? 0 : (isSkipSet = true, EmuOptions.Speedhacks.EECycleSkip = 1); // +1 EE cycle skip
+            // Fall through
 		
 		case 4: // Very Aggressive
 			isRateSet ? 0 : (isRateSet = true, EmuOptions.Speedhacks.EECycleRate = -2); // -2 EE cyclerate
+            // Fall through
 
 		case 3: // Aggressive
 			isRateSet ? 0 : (isRateSet = true, EmuOptions.Speedhacks.EECycleRate = -1); // -1 EE cyclerate
+            // Fall through
 
 		case 2: // Balanced
 			isMTVUSet ? 0 : (isMTVUSet = true, EmuOptions.Speedhacks.vuThread = true); // Enable MTVU
+            // Fall through
 
 		case 1: // Safe (Default)
 			EmuOptions.Speedhacks.IntcStat = true;
@@ -1065,6 +1069,7 @@ bool AppConfig::IsOkApplyPreset(int n, bool ignoreMTVU)
 			
 			// If waterfalling from > Safe, break to avoid MTVU disable.
 			if (n > 1) break;
+            // Fall through
 			
 		case 0: // Safest
 			isMTVUSet ? 0 : (isMTVUSet = true, EmuOptions.Speedhacks.vuThread = false); // Disable MTVU
diff --git a/plugins/LilyPad/LilyPad.cpp b/plugins/LilyPad/LilyPad.cpp
index 34893f9c15..a6bbe904fe 100644
--- a/plugins/LilyPad/LilyPad.cpp
+++ b/plugins/LilyPad/LilyPad.cpp
@@ -1250,6 +1250,8 @@ u8 CALLBACK PADpoll(u8 value)
                     DEBUG_OUT(0xF3);
                     return 0xF3;
                 }
+                // Fall through
+                
             // READ_DATA_AND_VIBRATE
             case 0x42:
                 query.response[2] = 0x5A;