5 files changed, 5 insertions, 27 deletions
diff --git a/src/Symfony/Bridge/Doctrine/composer.json b/src/Symfony/Bridge/Doctrine/composer.json
index 0ad66cc..de304dd 100644
--- a/src/Symfony/Bridge/Doctrine/composer.json
+++ b/src/Symfony/Bridge/Doctrine/composer.json
@@ -56,10 +56,5 @@
             "/Tests/"
         ]
     },
-    "minimum-stability": "dev",
-    "extra": {
-        "branch-alias": {
-            "dev-master": "3.4-dev"
-        }
-    }
+    "minimum-stability": "dev"
 }
diff --git a/src/Symfony/Bridge/Monolog/composer.json b/src/Symfony/Bridge/Monolog/composer.json
index d2791d4..d76e263 100644
--- a/src/Symfony/Bridge/Monolog/composer.json
+++ b/src/Symfony/Bridge/Monolog/composer.json
@@ -42,10 +42,5 @@
             "/Tests/"
         ]
     },
-    "minimum-stability": "dev",
-    "extra": {
-        "branch-alias": {
-            "dev-master": "3.4-dev"
-        }
-    }
+    "minimum-stability": "dev"
 }
diff --git a/src/Symfony/Bridge/PhpUnit/composer.json b/src/Symfony/Bridge/PhpUnit/composer.json
index 30b3cc2..3a3fbbd 100644
--- a/src/Symfony/Bridge/PhpUnit/composer.json
+++ b/src/Symfony/Bridge/PhpUnit/composer.json
@@ -38,9 +38,6 @@
     ],
     "minimum-stability": "dev",
     "extra": {
-        "branch-alias": {
-            "dev-master": "3.4-dev"
-        },
         "thanks": {
             "name": "phpunit/phpunit",
             "url": "https://github.com/sebastianbergmann/phpunit"
diff --git a/src/Symfony/Bridge/ProxyManager/composer.json b/src/Symfony/Bridge/ProxyManager/composer.json
index 7e34cd9..492a1e1 100644
--- a/src/Symfony/Bridge/ProxyManager/composer.json
+++ b/src/Symfony/Bridge/ProxyManager/composer.json
@@ -17,6 +17,7 @@
     ],
     "require": {
         "php": "^5.5.9|>=7.0.8",
+        "composer/package-versions-deprecated": "^1.8",
         "symfony/dependency-injection": "~3.4|~4.0",
         "ocramius/proxy-manager": "~0.4|~1.0|~2.0"
     },
@@ -29,10 +30,5 @@
             "/Tests/"
         ]
     },
-    "minimum-stability": "dev",
-    "extra": {
-        "branch-alias": {
-            "dev-master": "3.4-dev"
-        }
-    }
+    "minimum-stability": "dev"
 }
diff --git a/src/Symfony/Bridge/Twig/composer.json b/src/Symfony/Bridge/Twig/composer.json
index f4fb1c9..f61e401 100644
--- a/src/Symfony/Bridge/Twig/composer.json
+++ b/src/Symfony/Bridge/Twig/composer.json
@@ -66,10 +66,5 @@
             "/Tests/"
         ]
     },
-    "minimum-stability": "dev",
-    "extra": {
-        "branch-alias": {
-            "dev-master": "3.4-dev"
-        }
-    }
+    "minimum-stability": "dev"
 }