--- a/parser/htmlparser/src/nsHTMLTags.cpp
+++ b/parser/htmlparser/src/nsHTMLTags.cpp
@@ -66,18 +66,16 @@ static const PRUnichar sHTMLTagUnicodeNa
 static const PRUnichar sHTMLTagUnicodeName_cite[] =
   {'c', 'i', 't', 'e', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_code[] =
   {'c', 'o', 'd', 'e', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_col[] =
   {'c', 'o', 'l', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_colgroup[] =
   {'c', 'o', 'l', 'g', 'r', 'o', 'u', 'p', '\0'};
-static const PRUnichar sHTMLTagUnicodeName_counter[] =
-  {'c', 'o', 'u', 'n', 't', 'e', 'r', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_data[] =
   {'d', 'a', 't', 'a', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_datalist[] =
   {'d', 'a', 't', 'a', 'l', 'i', 's', 't', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_dd[] =
   {'d', 'd', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_del[] =
   {'d', 'e', 'l', '\0'};
@@ -218,18 +216,16 @@ static const PRUnichar sHTMLTagUnicodeNa
 static const PRUnichar sHTMLTagUnicodeName_section[] =
   {'s', 'e', 'c', 't', 'i', 'o', 'n', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_select[] =
   {'s', 'e', 'l', 'e', 'c', 't', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_small[] =
   {'s', 'm', 'a', 'l', 'l', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_source[] =
   {'s', 'o', 'u', 'r', 'c', 'e', '\0'};
-static const PRUnichar sHTMLTagUnicodeName_spacer[] =
-  {'s', 'p', 'a', 'c', 'e', 'r', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_span[] =
   {'s', 'p', 'a', 'n', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_strike[] =
   {'s', 't', 'r', 'i', 'k', 'e', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_strong[] =
   {'s', 't', 'r', 'o', 'n', 'g', '\0'};
 static const PRUnichar sHTMLTagUnicodeName_style[] =
   {'s', 't', 'y', 'l', 'e', '\0'};