@@ -373,10 +373,12 @@
  *
  * @param double_ A double which the OFNumber should contain
  * @return A new autoreleased OFNumber
  */
 + (instancetype)numberWithDouble: (double)double_;
+
+- init OF_UNAVAILABLE;
 
 /*!
  * @brief Initializes an already allocated OFNumber with the specified bool.
  *
  * @param bool_ A bool which the OFNumber should contain