diff --git a/reactos/drivers/parallel/parport/fdo.c b/reactos/drivers/parallel/parport/fdo.c
index 2d847633bc7..fdcd4b1233b 100644
--- a/reactos/drivers/parallel/parport/fdo.c
+++ b/reactos/drivers/parallel/parport/fdo.c
@@ -607,7 +607,7 @@ FdoPower(IN PDEVICE_OBJECT DeviceObject,
     LowerDevice = ((PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->LowerDevice;
     PoStartNextPowerIrp(Irp);
     IoSkipCurrentIrpStackLocation(Irp);
-    return PoCallDriver(LowerDevice, Irp);;
+    return PoCallDriver(LowerDevice, Irp);
 }
 
 /* EOF */
diff --git a/reactos/win32ss/user/ntuser/sysparams.c b/reactos/win32ss/user/ntuser/sysparams.c
index 5a193ac9d3c..c4ffce87c01 100644
--- a/reactos/win32ss/user/ntuser/sysparams.c
+++ b/reactos/win32ss/user/ntuser/sysparams.c
@@ -1209,7 +1209,7 @@ SpiGetSet(UINT uiAction, UINT uiParam, PVOID pvParam, FLONG fl)
         }
 
         case SPI_SETLANGTOGGLE:
-            gdwLanguageToggleKey = UserGetLanguageToggle();;
+            gdwLanguageToggleKey = UserGetLanguageToggle();
             return gdwLanguageToggleKey;
             break;
 
diff --git a/rosapps/applications/sysutils/utils/rosperf/gradient.c b/rosapps/applications/sysutils/utils/rosperf/gradient.c
index 4ba2c93da2a..51fff45a08a 100644
--- a/rosapps/applications/sysutils/utils/rosperf/gradient.c
+++ b/rosapps/applications/sysutils/utils/rosperf/gradient.c
@@ -36,7 +36,7 @@ GradientProc(void *Context, PPERF_INFO PerfInfo, unsigned Reps)
   vert[0].Green = 0;
   vert[0].Blue = 0;
   vert[0].Alpha = 0;
-  vert[1].x = PerfInfo->WndWidth;;
+  vert[1].x = PerfInfo->WndWidth;
   vert[1].y = 0;
   vert[1].Red = 0;
   vert[1].Green = 0xff00;
diff --git a/rostests/apitests/msgina/ShellDimScreen.cpp b/rostests/apitests/msgina/ShellDimScreen.cpp
index 95761eaa0e9..d1ecdcb6fbb 100644
--- a/rostests/apitests/msgina/ShellDimScreen.cpp
+++ b/rostests/apitests/msgina/ShellDimScreen.cpp
@@ -50,7 +50,7 @@ static void Test_Dim()
     ok(wnd != ((HWND)0xdeadbeef), "Expected a valid window ptr\n");
     ok(IsWindow(wnd), "Expected a valid window\n");
     ok(IsWindowVisible(wnd), "Expected the window to be visible\n");
-    char classname[100] = {0};;
+    char classname[100] = {0};
     int nRet = GetClassNameA(wnd, classname, 100);
     ok(nRet == 17, "Expected GetClassName to return 3 was %i\n", nRet);
     ok(!strcmp(classname, "DimmedWindowClass"), "Expected classname to be DimmedWindowClass, was %s\n", classname);
diff --git a/rostests/apitests/ntdll/SystemInfo.c b/rostests/apitests/ntdll/SystemInfo.c
index f18f3a7100f..7ba1158f98b 100644
--- a/rostests/apitests/ntdll/SystemInfo.c
+++ b/rostests/apitests/ntdll/SystemInfo.c
@@ -259,7 +259,7 @@ Test_TimeAdjustment(void)
 
     /* Restore original values */
     SetTimeInfo.TimeAdjustment = TimeInfoOrg.TimeAdjustment;
-    SetTimeInfo.Enable = TimeInfoOrg.Enable;;
+    SetTimeInfo.Enable = TimeInfoOrg.Enable;
     Status = NtSetSystemInformation(SystemTimeAdjustmentInformation,
                                     &SetTimeInfo,
                                     sizeof(SetTimeInfo));
diff --git a/rostests/drivers/ntoskrnl/IoEaTest.cpp b/rostests/drivers/ntoskrnl/IoEaTest.cpp
index d76b744764d..83d4f77e45f 100644
--- a/rostests/drivers/ntoskrnl/IoEaTest.cpp
+++ b/rostests/drivers/ntoskrnl/IoEaTest.cpp
@@ -474,7 +474,7 @@ int _tmain(int argc, _TCHAR* argv[])
             ROSEaBuffer->EaValueLength = (UCHAR)strlen(ROSEaBuffer->EaName);
             ulROSError = RANDOM_INIT_ERROR;
             ROSEaBuffer->Flags = TestEaBufferFlags;
-            ROSEaBuffer->NextEntryOffset = ((ROSEaBuffer->EaNameLength+ROSEaBuffer->EaNameLength+9)+3)&0xFFFFFFFC;;
+            ROSEaBuffer->NextEntryOffset = ((ROSEaBuffer->EaNameLength+ROSEaBuffer->EaNameLength+9)+3)&0xFFFFFFFC;
             ROSStatus = IoCheckEaBufferValidityROS(ROSEaBuffer,TestEaLength,&ulROSError);
 
             printf("%i-",ROSEaBuffer->NextEntryOffset);