symfony
diff --git a/‎src/Symfony/Component/Debug/CHANGELOG.md
+5 b/‎src/Symfony/Component/Debug/CHANGELOG.md
+5
diff --git a/‎src/Symfony/Component/Debug/Exception/FatalErrorException.php
-5 b/‎src/Symfony/Component/Debug/Exception/FatalErrorException.php
-5
diff --git a/‎src/Symfony/Component/Debug/Resources/ext/README.md
-134 b/‎src/Symfony/Component/Debug/Resources/ext/README.md
-134
diff --git a/‎src/Symfony/Component/Debug/Resources/ext/config.m4
-63 b/‎src/Symfony/Component/Debug/Resources/ext/config.m4
-63
diff --git a/‎src/Symfony/Component/Debug/Resources/ext/config.w32
-13 b/‎src/Symfony/Component/Debug/Resources/ext/config.w32
-13
diff --git a/‎src/Symfony/Component/Debug/Resources/ext/php_symfony_debug.h
-60 b/‎src/Symfony/Component/Debug/Resources/ext/php_symfony_debug.h
-60
@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+4.0.0
+-----
+
+* removed the symfony_debug extension
+
 3.3.0
 -----
 
 
@@ -60,11 +60,6 @@ public function __construct($message, $code, $severity, $filename, $lineno, $tra
 
                 unset($frame);
                 $trace = array_reverse($trace);
-            } elseif (function_exists('symfony_debug_backtrace')) {
-                $trace = symfony_debug_backtrace();
-                if (0 < $traceOffset) {
-                    array_splice($trace, 0, $traceOffset);
-                }
             } else {
                 $trace = array();
             }