diff --git a/lib/lexer.js b/lib/lexer.js
index 1a4e25e34..2f06915de 100644
--- a/lib/lexer.js
+++ b/lib/lexer.js
@@ -381,7 +381,7 @@ exports.doID = function(code, index){
     this.fset('for', false);
     this.fset('by', false);
   }
-  if (tag === 'RELATION' || tag === 'THEN' || tag === 'ELSE' || tag === 'CASE' || tag === 'DEFAULT' || tag === 'CATCH' || tag === 'FINALLY' || tag === 'IN' || tag === 'OF' || tag === 'FROM' || tag === 'TO' || tag === 'BY' || tag === 'EXTENDS' || tag === 'IMPLEMENTS' || tag === 'WHERE') {
+  if (tag === 'RELATION' || tag === 'THEN' || tag === 'ELSE' || tag === 'CASE' || tag === 'DEFAULT' || tag === 'CATCH' || tag === 'FINALLY' || tag === 'IN' || tag === 'OF' || tag === 'FROM' || tag === 'TO' || tag === 'BY' || tag === 'EXTENDS' || tag === 'IMPLEMENTS') {
     this.unline();
   }
   this.token(tag, id);
@@ -1528,7 +1528,7 @@ function addImplicitParentheses(tokens){
         continue;
       }
     }
-    if (!(((ref1$ = prev[0]) === 'FUNCTION' || ref1$ === 'GENERATOR' || ref1$ === 'LET' || ref1$ === 'WHERE') || prev.spaced && able(tokens, i, true))) {
+    if (!(((ref1$ = prev[0]) === 'FUNCTION' || ref1$ === 'GENERATOR' || ref1$ === 'LET') || prev.spaced && able(tokens, i, true))) {
       continue;
     }
     if (token.doblock) {
@@ -1831,7 +1831,7 @@ function indexOfPair(tokens, i){
 KEYWORDS_SHARED = ['true', 'false', 'null', 'this', 'void', 'super', 'return', 'throw', 'break', 'continue', 'if', 'else', 'for', 'while', 'switch', 'case', 'default', 'try', 'catch', 'finally', 'function', 'class', 'extends', 'implements', 'new', 'do', 'delete', 'typeof', 'in', 'instanceof', 'let', 'with', 'var', 'const', 'import', 'export', 'debugger', 'yield'];
 KEYWORDS_UNUSED = ['enum', 'interface', 'package', 'private', 'protected', 'public', 'static'];
 JS_KEYWORDS = KEYWORDS_SHARED.concat(KEYWORDS_UNUSED);
-LS_KEYWORDS = ['xor', 'match', 'where'];
+LS_KEYWORDS = ['xor', 'match'];
 ID = /((?!\s)[a-z_$\xAA-\uFFDC](?:(?!\s)[\w$\xAA-\uFFDC]|-[a-z])*)([^\n\S]*:(?![:=]))?|/ig;
 SYMBOL = /[-\/^]=|[%+:*]{1,2}=|\|>=|\.(?:[&\|\^]|<<|>>>?)\.=?|\.{1,3}|\^\^|\*?<(?:--?|~~?)!?|!?(?:--?|~~?)>>?\*?|([-+&|:])\1|%%|&|\([^\n\S]*\)|[!=]==?|!?\~=|@@?|<\[(?:[\s\S]*?\]>)?|<<<<?|<\||[<>]==|<<=|>>=|<<|>>|[<>]\??=?|\|>|\||=>|\*\*|\^|`|[^\s#]?/g;
 SPACE = /[^\n\S]*(?:#.*)?/g;
diff --git a/src/lexer.ls b/src/lexer.ls
index 5000cd111..cfe4d5c13 100644
--- a/src/lexer.ls
+++ b/src/lexer.ls
@@ -285,7 +285,7 @@ exports <<<
             @fset 'for' false
             @fset 'by' false
         @unline! if tag in <[ RELATION THEN ELSE CASE DEFAULT CATCH FINALLY
-                              IN OF FROM TO BY EXTENDS IMPLEMENTS WHERE ]>
+                              IN OF FROM TO BY EXTENDS IMPLEMENTS ]>
         @token tag, id
         input.length
 
@@ -1131,7 +1131,7 @@ character = if not JSON? then uxxxx else ->
         tag is '[' and brackets.push prev.0 is 'DOT'
         if prev.0 is ']'
             if brackets.pop! then prev.index = true else continue
-        continue unless prev.0 in <[ FUNCTION GENERATOR LET WHERE ]>
+        continue unless prev.0 in <[ FUNCTION GENERATOR LET ]>
                      or prev.spaced and able tokens, i, true
         if token.doblock
             token.0 = 'CALL('
@@ -1341,7 +1341,7 @@ KEYWORDS_UNUSED =
 
 JS_KEYWORDS = KEYWORDS_SHARED ++ KEYWORDS_UNUSED
 
-LS_KEYWORDS = <[ xor match where ]>
+LS_KEYWORDS = <[ xor match ]>
 
 ##### Regexes
 # Some of these are given `g` flag and made sure to match empty string
diff --git a/test/declaration.ls b/test/declaration.ls
index d6c837342..9c3008cd6 100644
--- a/test/declaration.ls
+++ b/test/declaration.ls
@@ -105,3 +105,8 @@ eq '''(function(n){
 
 eq '''var ref$;
 1 < 2 && 2 === (ref$ = 4 / 2) && ref$ > 0;''' LiveScript.compile '1 < 2 == 4/2 > 0' {+\const, +bare,-header}
+
+
+### former reserved words
+where = 1
+eq 1 where