diff --git a/Common/x64Emitter.cpp b/Common/x64Emitter.cpp
index f6a5d52689..c1d45a109e 100644
--- a/Common/x64Emitter.cpp
+++ b/Common/x64Emitter.cpp
@@ -646,7 +646,7 @@ void XEmitter::UD2()
 
 void XEmitter::PREFETCH(PrefetchLevel level, OpArg arg)
 {
-	if (arg.IsImm()) _assert_msg_(JIT, 0, "PREFETCH - Imm argument");;
+	if (arg.IsImm()) _assert_msg_(JIT, 0, "PREFETCH - Imm argument");
 	arg.operandReg = (u8)level;
 	arg.WriteRex(this, 0, 0);
 	Write8(0x0F);
diff --git a/Windows/WndMainWindow.cpp b/Windows/WndMainWindow.cpp
index 80e99c5e92..43def4813e 100644
--- a/Windows/WndMainWindow.cpp
+++ b/Windows/WndMainWindow.cpp
@@ -149,7 +149,7 @@ namespace MainWindow
 		wcex.hIconSm		= (HICON)LoadImage(hInstance, (LPCTSTR)IDI_PPSSPP, IMAGE_ICON, 16,16,LR_SHARED);
 		RegisterClassEx(&wcex);
 
-		wcex.style = CS_HREDRAW | CS_VREDRAW;;
+		wcex.style = CS_HREDRAW | CS_VREDRAW;
 		wcex.lpfnWndProc = (WNDPROC)DisplayProc;
 		wcex.hIcon = 0;
 		wcex.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
diff --git a/ext/libkirk/kirk_engine.c b/ext/libkirk/kirk_engine.c
index eea283e1a8..eb43e10a3c 100644
--- a/ext/libkirk/kirk_engine.c
+++ b/ext/libkirk/kirk_engine.c
@@ -537,7 +537,7 @@ int kirk_CMD17(u8 * inbuff, int insize) {
 
 int kirk_init()
 {
-  return kirk_init2((u8*)"Lazy Dev should have initialized!",33,0xBABEF00D, 0xDEADBEEF );;
+  return kirk_init2((u8*)"Lazy Dev should have initialized!",33,0xBABEF00D, 0xDEADBEEF );
 }
 
 int kirk_init2(u8 * rnd_seed, u32 seed_size, u32 fuseid_90, u32 fuseid_94) {
@@ -551,7 +551,7 @@ int kirk_init2(u8 * rnd_seed, u32 seed_size, u32 fuseid_90, u32 fuseid_94) {
   //Set PRNG_DATA initially, otherwise use what ever uninitialized data is in the buffer
   if(seed_size > 0) {
     u8 * seedbuf;
-    KIRK_SHA1_HEADER *seedheader;;
+    KIRK_SHA1_HEADER *seedheader;
     seedbuf=(u8*)malloc(seed_size+4);
     seedheader= (KIRK_SHA1_HEADER *) seedbuf;
     seedheader->data_size = seed_size;