diff --git a/packages/math/src/range.js b/packages/math/src/range.js
index acf6117..861ad53 100644
--- a/packages/math/src/range.js
+++ b/packages/math/src/range.js
@@ -12,12 +12,10 @@ export default class Range {
     }
   }
 
-  static value(rangeOrOther) {
-    return rangeOrOther instanceof Range ? rangeOrOther.value() : rangeOrOther;
-  }
-
   value() {
-    return 'undefined' === typeof this.max ? this.min : randomNumber(this.min, this.max, false);
+    return 'undefined' === typeof this.max
+      ? this.min
+      : randomNumber(this.min, this.max, false);
   }
 
 }