@@ -58,13 +58,20 @@
 	bool _done;
 #endif
 	OFRunLoop *_inRunLoop;
 }
 
-#ifdef OF_HAVE_PROPERTIES
-@property (retain) OFDate *fireDate;
-#endif
+/*!
+ * Whether the timer is valid.
+ */
+@property (readonly) bool isValid;
+
+/*!
+ * The time interval in which the timer will repeat, if it is a repeating
+ * timer.
+ */
+@property (readonly) of_time_interval_t timeInterval;
 
 /*!
  * @brief Creates and schedules a new timer with the specified time interval.
  *
  * @param timeInterval The time interval after which the timer should be fired
@@ -300,30 +307,14 @@
 /*!
  * @brief Invalidates the timer, preventing it from firing.
  */
 - (void)invalidate;
 
-/*!
- * @brief Returns whether the timer is valid.
- *
- * @return Whether the timer is valid
- */
-- (bool)isValid;
-
-/*!
- * @brief Returns the time interval in which the timer will repeat, if it is a
- *	  repeating timer.
- *
- * @return The time interval in which the timer will repeat, if it is a
- *	   repeating timer
- */
-- (of_time_interval_t)timeInterval;
-
 #ifdef OF_HAVE_THREADS
 /*!
  * @brief Waits until the timer fired.
  */
 - (void)waitUntilDone;
 #endif
 @end
 
 OF_ASSUME_NONNULL_END