--- a/js/src/util/Text.h
+++ b/js/src/util/Text.h
@@ -52,36 +52,21 @@ extern int32_t
 js_fputs(const char16_t* s, FILE* f);
 
 namespace js {
 
 class StringBuffer;
 
 template <typename Char1, typename Char2>
 inline bool
-EqualChars(const Char1* s1, const Char2* s2, size_t len);
-
-template <typename Char1>
-inline bool
-EqualChars(const Char1* s1, const Char1* s2, size_t len)
+EqualChars(const Char1* s1, const Char2* s2, size_t len)
 {
     return mozilla::ArrayEqual(s1, s2, len);
 }
 
-template <typename Char1, typename Char2>
-inline bool
-EqualChars(const Char1* s1, const Char2* s2, size_t len)
-{
-    for (const Char1* s1end = s1 + len; s1 < s1end; s1++, s2++) {
-        if (*s1 != *s2)
-            return false;
-    }
-    return true;
-}
-
 // Return less than, equal to, or greater than zero depending on whether
 // s1 is less than, equal to, or greater than s2.
 template <typename Char1, typename Char2>
 inline int32_t
 CompareChars(const Char1* s1, size_t len1, const Char2* s2, size_t len2)
 {
     size_t n = Min(len1, len2);
     for (size_t i = 0; i < n; i++) {