diff --git a/src/openrct2/localisation/Localisation.cpp b/src/openrct2/localisation/Localisation.cpp
index bb5472c864..ef881fee36 100644
--- a/src/openrct2/localisation/Localisation.cpp
+++ b/src/openrct2/localisation/Localisation.cpp
@@ -386,26 +386,6 @@ static void format_append_string(char** dest, size_t* size, const utf8* string)
     }
 }
 
-[[maybe_unused]] void format_append_string_n(char** dest, size_t* size, const utf8* string, size_t maxlen)
-{
-    if ((*size) == 0)
-        return;
-    size_t length = std::min(maxlen, strlen(string));
-    if (length < (*size))
-    {
-        std::memcpy((*dest), string, length);
-        (*dest) += length;
-        (*size) -= length;
-    }
-    else
-    {
-        std::memcpy((*dest), string, (*size) - 1);
-        (*dest) += (*size) - 1;
-        *(*dest)++ = '\0';
-        (*size) = 0;
-    }
-}
-
 static void format_integer(char** dest, size_t* size, int64_t value)
 {
     int32_t digit;