diff --git a/src/CalcManager/UnitConverter.cpp b/src/CalcManager/UnitConverter.cpp
index 07f75d3..e30934f 100644
--- a/src/CalcManager/UnitConverter.cpp
+++ b/src/CalcManager/UnitConverter.cpp
@@ -302,8 +302,8 @@ wstring UnitConverter::Serialize()
         out << std::to_wstring(m_currentHasDecimal) << delimiter << std::to_wstring(m_returnHasDecimal) << delimiter << std::to_wstring(m_switchedActive) << delimiter;
         out << m_currentDisplay << delimiter << m_returnDisplay << delimiter << "|";
         wstringstream categoryString(wstringstream::out);
-        wstringstream categoryToUnitString(wstringstream::out);;
-        wstringstream unitToUnitToDoubleString(wstringstream::out);;
+        wstringstream categoryToUnitString(wstringstream::out);
+        wstringstream unitToUnitToDoubleString(wstringstream::out);
         for (const Category& c : m_categories)
         {
             categoryString << CategoryToString(c, delimiter) << ",";
diff --git a/src/Calculator/Views/DateCalculator.xaml.cpp b/src/Calculator/Views/DateCalculator.xaml.cpp
index 0df8cd3..574ad4b 100644
--- a/src/Calculator/Views/DateCalculator.xaml.cpp
+++ b/src/Calculator/Views/DateCalculator.xaml.cpp
@@ -46,7 +46,7 @@ DateCalculator::DateCalculator()
 
     // Set Calendar Identifier
     DateDiff_FromDate->CalendarIdentifier = localizationSettings.GetCalendarIdentifier();
-    DateDiff_ToDate->CalendarIdentifier = localizationSettings.GetCalendarIdentifier();;
+    DateDiff_ToDate->CalendarIdentifier = localizationSettings.GetCalendarIdentifier();
 
     // Setting the FirstDayofWeek
     DateDiff_FromDate->FirstDayOfWeek = localizationSettings.GetFirstDayOfWeek();
diff --git a/src/CalculatorUnitTests/CopyPasteManagerTest.cpp b/src/CalculatorUnitTests/CopyPasteManagerTest.cpp
index 2e90d84..9f3afc9 100644
--- a/src/CalculatorUnitTests/CopyPasteManagerTest.cpp
+++ b/src/CalculatorUnitTests/CopyPasteManagerTest.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
+// Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
 #include "pch.h"
@@ -34,7 +34,7 @@ namespace CalculatorUnitTests
 
 #define ASSERT_NEGATIVE_TESTCASES(func, dataSet) \
 {\
-    int size = sizeof(dataSet)/sizeof(*dataSet);;\
+    int size = sizeof(dataSet)/sizeof(*dataSet);\
     while(--size)\
     {\
         VERIFY_ARE_EQUAL(func(dataSet[size]), StringReference(L"NoOp"));\