diff --git a/Source/Core/Common/IniFile.h b/Source/Core/Common/IniFile.h
index abfb58b0a6..b2b3dba5f0 100644
--- a/Source/Core/Common/IniFile.h
+++ b/Source/Core/Common/IniFile.h
@@ -56,7 +56,7 @@ public:
 
 		void Set(const char* key, int newValue, int defaultValue);
 		void Set(const char* key, int newValue) {
-			Set(key, StringFromInt(newValue).c_str());
+			Set(key, std::to_string(newValue).c_str());
 		}
 
 		void Set(const char* key, bool newValue, bool defaultValue);
diff --git a/Source/Core/Common/StringUtil.cpp b/Source/Core/Common/StringUtil.cpp
index 7ad4ac6ca5..a0a8c739ca 100644
--- a/Source/Core/Common/StringUtil.cpp
+++ b/Source/Core/Common/StringUtil.cpp
@@ -185,13 +185,6 @@ bool TryParse(const std::string &str, bool *const output)
 	return true;
 }
 
-std::string StringFromInt(int value)
-{
-	char temp[16];
-	sprintf(temp, "%i", value);
-	return temp;
-}
-
 std::string StringFromBool(bool value)
 {
 	return value ? "True" : "False";
diff --git a/Source/Core/Common/StringUtil.h b/Source/Core/Common/StringUtil.h
index 7846cbee3d..ab3abc617d 100644
--- a/Source/Core/Common/StringUtil.h
+++ b/Source/Core/Common/StringUtil.h
@@ -55,7 +55,6 @@ std::string ThousandSeparate(I value, int spaces = 0)
 	return oss.str();
 }
 
-std::string StringFromInt(int value);
 std::string StringFromBool(bool value);
 
 bool TryParse(const std::string &str, bool *output);