diff --git a/src/pocketmine/Server.php b/src/pocketmine/Server.php
index 4af97a252..da78efb94 100644
--- a/src/pocketmine/Server.php
+++ b/src/pocketmine/Server.php
@@ -1506,7 +1506,7 @@ class Server{
 				$this->logger->warning("Debugging assertions are enabled, this may impact on performance. To disable them, set `zend.assertions = -1` in php.ini.");
 			}
 
-			ini_set('assert.exception', (bool) $this->getProperty("debug.assertions.throw-exception", 0));
+			ini_set('assert.exception', '1');
 
 			if($this->logger instanceof MainLogger){
 				$this->logger->setLogDebug(\pocketmine\DEBUG > 1);
diff --git a/src/pocketmine/resources/pocketmine.yml b/src/pocketmine/resources/pocketmine.yml
index 8efe10809..5fa080618 100644
--- a/src/pocketmine/resources/pocketmine.yml
+++ b/src/pocketmine/resources/pocketmine.yml
@@ -88,9 +88,6 @@ debug:
  assertions:
   #Warn if assertions are enabled in php.ini, due to assertions may impact on runtime performance if enabled.
   warn-if-enabled: true
-  #Enable throwing exceptions when assertions fail, will allow obtaining more detailed information on the failed assertion, but may cause a server crash.
-  #If set to false, a warning will be raised instead of throwing an exception.
-  throw-exception: false
  #If > 1, it will show debug messages in the console
  level: 1
  #Enables /status, /gc