diff --git a/StringUtils.cpp b/StringUtils.cpp
index 5586ef3..63de202 100644
--- a/StringUtils.cpp
+++ b/StringUtils.cpp
@@ -18,7 +18,7 @@
 
 #include "StringUtils.h"
 
-size_t CStringUtils::find_nth(const std::string& haystack, size_t pos, char needle, size_t nth) 
+size_t CStringUtils::find_nth(const std::string& haystack, char needle, size_t nth) 
 {
     size_t matches = 0U;
     auto haystackLength = haystack.length();
diff --git a/StringUtils.h b/StringUtils.h
index c759df2..e0dbac2 100644
--- a/StringUtils.h
+++ b/StringUtils.h
@@ -37,5 +37,5 @@ public:
         return std::string( buf.get(), buf.get() + size - 1 ); // We don't want the '\0' inside
     }
 
-    static size_t find_nth(const std::string& haystack, size_t pos, char needle, size_t nth);
+    static size_t find_nth(const std::string& haystack, char needle, size_t nth);
 };