diff --git a/src/param/param-definition.ts b/src/param/param-definition.ts
index 4f911a6c221357f17df65e82fb440f2aa5d0e903..a3ee7daa6fb9dec90ee2de3c54138950f8111eea 100644
--- a/src/param/param-definition.ts
+++ b/src/param/param-definition.ts
@@ -41,7 +41,6 @@ export class ParamDefinition extends BaseParam {
     constructor(s: string, d: ParamDomain | ParamDomainValue, val?: number) {
         super(s, d, val);
         this._calc = ParamCalculability.FREE;
-        this.checkValue(val);
     }
 
     get v(): number {