diff --git a/src/ol/expr/lexer.js b/src/ol/expr/lexer.js
index d0fa744a22..c1af520c34 100644
--- a/src/ol/expr/lexer.js
+++ b/src/ol/expr/lexer.js
@@ -85,7 +85,6 @@ ol.expr.TokenType = {
   NUMERIC_LITERAL: 'Numeric',
   PUNCTUATOR: 'Punctuator',
   STRING_LITERAL: 'String',
-  THIS_IDENTIFIER: 'This',
   UNKNOWN: 'Unknown'
 };