diff --git a/src/CalcManager/CalculatorHistory.cpp b/src/CalcManager/CalculatorHistory.cpp
index 6b18a8e8..d32bbe07 100644
--- a/src/CalcManager/CalculatorHistory.cpp
+++ b/src/CalcManager/CalculatorHistory.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"
@@ -7,7 +7,7 @@
 using namespace std;
 using namespace CalculationManager;
 
-CalculatorHistory::CalculatorHistory(CALCULATOR_MODE eMode, size_t maxSize) :
+CalculatorHistory::CalculatorHistory(size_t maxSize) :
     m_mode(eMode),
     m_maxHistorySize(maxSize)
 {}
diff --git a/src/CalcManager/CalculatorHistory.h b/src/CalcManager/CalculatorHistory.h
index c9964029..6a27d266 100644
--- a/src/CalcManager/CalculatorHistory.h
+++ b/src/CalcManager/CalculatorHistory.h
@@ -31,7 +31,7 @@ namespace CalculationManager
     {
 
     public:
-        CalculatorHistory(CALCULATOR_MODE eMode, const size_t maxSize);
+        CalculatorHistory(const size_t maxSize);
         unsigned int AddToHistory(_In_ std::shared_ptr<CalculatorVector <std::pair<std::wstring, int>>> const &spTokens, _In_ std::shared_ptr<CalculatorVector<std::shared_ptr<IExpressionCommand>>> const &spCommands, _In_ std::wstring_view result);
         std::vector<std::shared_ptr<HISTORYITEM>> const& GetHistory();
         std::shared_ptr<HISTORYITEM> const& GetHistoryItem(_In_ unsigned int uIdx);
diff --git a/src/CalcViewModel/Common/Utils.cpp b/src/CalcViewModel/Common/Utils.cpp
index 52c2579b..1f024f58 100644
--- a/src/CalcViewModel/Common/Utils.cpp
+++ b/src/CalcViewModel/Common/Utils.cpp
@@ -80,19 +80,6 @@ void Utils::RunOnUIThreadNonblocking(std::function<void()>&& function, _In_ Core
     }
 }
 
-// returns if the last character of a wstring is the target wchar_t
-bool Utils::IsLastCharacterTarget(_In_ wstring const &input, wchar_t target)
-{
-    return !input.empty() && input.back() == target;
-}
-
-// Returns wstring after removing characters like space, comma, and double quotes
-wstring Utils::RemoveUnwantedCharsFromWstring(wstring input)
-{
-    wchar_t unWantedChars[] = { L' ', L',', L'"', 8234, 8235, 8236, 8237 };
-    return RemoveUnwantedCharsFromWstring(input, unWantedChars, 6);
-}
-
 //return wstring after removing characters specified by unwantedChars array
 wstring Utils::RemoveUnwantedCharsFromWstring(wstring input, _In_reads_(size) wchar_t* unwantedChars, unsigned int size)
 {
diff --git a/src/CalcViewModel/Common/Utils.h b/src/CalcViewModel/Common/Utils.h
index f71e53d5..eee37d68 100644
--- a/src/CalcViewModel/Common/Utils.h
+++ b/src/CalcViewModel/Common/Utils.h
@@ -280,7 +280,6 @@ namespace Utils
     Platform::String^ GetStringValue(Platform::String^ input);
     bool IsLastCharacterTarget(_In_ std::wstring const &input, wchar_t target);
     std::wstring RemoveUnwantedCharsFromWstring(std::wstring inputString, _In_reads_(size) wchar_t* unwantedChars, unsigned int size);
-    std::wstring RemoveUnwantedCharsFromWstring(std::wstring input);
     double GetDoubleFromWstring(std::wstring input);
     int GetWindowId();
     void RunOnUIThreadNonblocking(std::function<void()>&& function, _In_ Windows::UI::Core::CoreDispatcher^ currentDispatcher);