diff --git a/sources/zweic/Scanner.scala b/sources/zweic/Scanner.scala
index 2c35af0..931a28c 100755
--- a/sources/zweic/Scanner.scala
+++ b/sources/zweic/Scanner.scala
@@ -39,11 +39,7 @@
   keywords("printInt")  = PRINTINT;
   keywords("printChar") = PRINTCHAR;
 
-  keywords("val")       = VAL;
   keywords("Int")       = INT;
-  keywords("def")       = DEF;
-  keywords("set")       = SET;
-  keywords("var")       = VAR;
   keywords("class")     = CLASS;
   keywords("new")       = NEW;
   keywords("extends")   = EXTENDS;
@@ -53,7 +49,6 @@
   keywords("or")        = OR;
   keywords("if")        = IF;
   keywords("else")      = ELSE;
-  keywords("do")        = DO;
   keywords("while")     = WHILE;
 
   /** The current token class.
@@ -145,7 +140,6 @@
     case ';' => nextCh; return SEMICOLON;
     case ',' => nextCh; return PERIOD;    
     case '.' => nextCh; return DOT;   
-    case ':' => nextCh; return COLON;
     
     case '!' => nextCh;
       if (ch == '=') {
diff --git a/sources/zweic/Tokens.scala b/sources/zweic/Tokens.scala
index b951152..30bff5f 100755
--- a/sources/zweic/Tokens.scala
+++ b/sources/zweic/Tokens.scala
@@ -32,11 +32,7 @@
 	val PRINTINT	= Value("printInt");
 	val PRINTCHAR	= Value("printChar");
 
-	val VAL		= Value("val");
 	val INT         = Value("Int");
-	val DEF		= Value("def");
-	val SET		= Value("set");
-	val VAR		= Value("var");
 	val CLASS	= Value("class");
 	val NEW		= Value("new");
 	val EXTENDS	= Value("extends");
@@ -59,7 +55,6 @@
 	val OR		= Value("or");
 	val IF		= Value("if");
 	val ELSE	= Value("else");
-	val DO		= Value("do");
 	val WHILE	= Value("while");
 
 	val LPAREN	= Value("(");
@@ -70,5 +65,4 @@
 	val SEMICOLON	= Value(";");
 	val PERIOD	= Value(",");
 	val DOT		= Value(".");
-	val COLON	= Value(":");
 }