diff --git a/src/org/rascalmpl/library/lang/rascal/syntax/tests/ImplodeTests.rsc b/src/org/rascalmpl/library/lang/rascal/syntax/tests/ImplodeTests.rsc
index 476897ea5e6..61f3813df40 100644
--- a/src/org/rascalmpl/library/lang/rascal/syntax/tests/ImplodeTests.rsc
+++ b/src/org/rascalmpl/library/lang/rascal/syntax/tests/ImplodeTests.rsc
@@ -12,11 +12,11 @@ import lang::rascal::\syntax::tests::ImplodeTestGrammar;
 import ParseTree;
 import Exception;
 
-public data Num(loc src=|unknown:///|, map[int,list[str]] comments = ()) = \int(str n);
+public data Num(loc src=|unknown:///|, map[int,list[str]] comments = ());
 public data Exp(loc src=|unknown:///|, map[int,list[str]] comments = ()) = id(str name) | eq(Exp e1, Exp e2) | number(Num n);
 public Exp number(Num::\int("0")) = Exp::number(Num::\int("01"));
 
-public data Number(loc src=|unknown:///|, map[int,list[str]] comments = ()) = \int(str n);
+public data Number(loc src=|unknown:///|, map[int,list[str]] comments = ());
 public data Expr(loc src=|unknown:///|, map[int,list[str]] comments = ()) = id(str name) | eq(Expr e1, Expr e2) | number(Number n);
 public Expr number(Number::\int("0")) = Expr::number(Number::\int("02"));