diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/CacheCollectorPass.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/CacheCollectorPass.php
index 7f8494d98e0a..6bb614489eeb 100644
--- a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/CacheCollectorPass.php
+++ b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/CacheCollectorPass.php
@@ -44,7 +44,9 @@ public function process(ContainerBuilder $container)
 
             $recorder = new Definition(is_subclass_of($definition->getClass(), TagAwareAdapterInterface::class) ? TraceableTagAwareAdapter::class : TraceableAdapter::class);
             $recorder->setTags($definition->getTags());
-            $recorder->setPublic($definition->isPublic());
+            if (!$definition->isPublic() || !$definition->isPrivate()) {
+                $recorder->setPublic($definition->isPublic());
+            }
             $recorder->setArguments([new Reference($innerId = $id.'.recorder_inner')]);
 
             $definition->setTags([]);
diff --git a/src/Symfony/Component/DependencyInjection/Loader/Configurator/PrototypeConfigurator.php b/src/Symfony/Component/DependencyInjection/Loader/Configurator/PrototypeConfigurator.php
index d80c8b13389f..3d844798d431 100644
--- a/src/Symfony/Component/DependencyInjection/Loader/Configurator/PrototypeConfigurator.php
+++ b/src/Symfony/Component/DependencyInjection/Loader/Configurator/PrototypeConfigurator.php
@@ -45,10 +45,13 @@ class PrototypeConfigurator extends AbstractServiceConfigurator
     public function __construct(ServicesConfigurator $parent, PhpFileLoader $loader, Definition $defaults, $namespace, $resource, $allowParent)
     {
         $definition = new Definition();
-        $definition->setPublic($defaults->isPublic());
+        if (!$defaults->isPublic() || !$defaults->isPrivate()) {
+            $definition->setPublic($defaults->isPublic());
+        }
         $definition->setAutowired($defaults->isAutowired());
         $definition->setAutoconfigured($defaults->isAutoconfigured());
-        $definition->setBindings($defaults->getBindings());
+        // deep clone, to avoid multiple process of the same instance in the passes
+        $definition->setBindings(unserialize(serialize($defaults->getBindings())));
         $definition->setChanges([]);
 
         $this->loader = $loader;
diff --git a/src/Symfony/Component/DependencyInjection/Loader/Configurator/ServicesConfigurator.php b/src/Symfony/Component/DependencyInjection/Loader/Configurator/ServicesConfigurator.php
index e7677eb5e6dc..b6ccbc63b4e8 100644
--- a/src/Symfony/Component/DependencyInjection/Loader/Configurator/ServicesConfigurator.php
+++ b/src/Symfony/Component/DependencyInjection/Loader/Configurator/ServicesConfigurator.php
@@ -79,10 +79,13 @@ final public function set($id, $class = null)
         $allowParent = !$defaults->getChanges() && empty($this->instanceof);
 
         $definition = new Definition();
-        $definition->setPublic($defaults->isPublic());
+        if (!$defaults->isPublic() || !$defaults->isPrivate()) {
+            $definition->setPublic($defaults->isPublic() && !$defaults->isPrivate());
+        }
         $definition->setAutowired($defaults->isAutowired());
         $definition->setAutoconfigured($defaults->isAutoconfigured());
-        $definition->setBindings($defaults->getBindings());
+        // deep clone, to avoid multiple process of the same instance in the passes
+        $definition->setBindings(unserialize(serialize($defaults->getBindings())));
         $definition->setChanges([]);
 
         $configurator = new ServiceConfigurator($this->container, $this->instanceof, $allowParent, $this, $definition, $id, $defaults->getTags());
@@ -101,7 +104,10 @@ final public function set($id, $class = null)
     final public function alias($id, $referencedId)
     {
         $ref = static::processValue($referencedId, true);
-        $alias = new Alias((string) $ref, $this->defaults->isPublic());
+        $alias = new Alias((string) $ref);
+        if (!$this->defaults->isPublic() || !$this->defaults->isPrivate()) {
+            $alias->setPublic($this->defaults->isPublic());
+        }
         $this->container->setAlias($id, $alias);
 
         return new AliasConfigurator($this, $alias);
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/basic.expected.yml b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/basic.expected.yml
index 1137961ade13..39a3b631b97e 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/basic.expected.yml
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/basic.expected.yml
@@ -6,5 +6,4 @@ services:
         synthetic: true
     App\BarService:
         class: App\BarService
-        public: true
         arguments: [!service { class: FooClass }]
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/child.expected.yml b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/child.expected.yml
index aaab7131c469..f60d6bb5b72e 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/child.expected.yml
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/child.expected.yml
@@ -6,10 +6,7 @@ services:
         synthetic: true
     foo:
         class: Class2
-        public: true
         file: file.php
         lazy: true
         arguments: [!service { class: Class1, public: false }]
-    bar:
-        alias: foo
-        public: true
+    bar: '@foo'
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/defaults.expected.yml b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/defaults.expected.yml
index a534f7267a07..3f01b1099f73 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/defaults.expected.yml
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/defaults.expected.yml
@@ -6,7 +6,6 @@ services:
         synthetic: true
     App\BarService:
         class: App\BarService
-        public: true
         arguments: [!service { class: FooClass }]
     Symfony\Component\DependencyInjection\Tests\Fixtures\Prototype\Foo:
         class: Symfony\Component\DependencyInjection\Tests\Fixtures\Prototype\Foo
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/instanceof.expected.yml b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/instanceof.expected.yml
index b12a304221dd..1238a7bda4fb 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/instanceof.expected.yml
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/instanceof.expected.yml
@@ -6,7 +6,6 @@ services:
         synthetic: true
     Symfony\Component\DependencyInjection\Tests\Fixtures\Prototype\Foo:
         class: Symfony\Component\DependencyInjection\Tests\Fixtures\Prototype\Foo
-        public: true
         tags:
             - { name: tag, k: v }
         lazy: true
@@ -18,4 +17,3 @@ services:
         configurator: c
     foo:
         class: App\FooService
-        public: true
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/php7.expected.yml b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/php7.expected.yml
index 7c5b714ffbd7..7cec320b2eec 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/php7.expected.yml
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/php7.expected.yml
@@ -13,7 +13,6 @@ services:
         arguments: ['@bar']
     bar:
         class: Symfony\Component\DependencyInjection\Tests\Fixtures\Prototype\Foo
-        public: true
         calls:
             - [setFoo, {  }]
 
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/prototype.expected.yml b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/prototype.expected.yml
index ebfe087d779c..24a79401531c 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/prototype.expected.yml
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/prototype.expected.yml
@@ -6,7 +6,6 @@ services:
         synthetic: true
     Symfony\Component\DependencyInjection\Tests\Fixtures\Prototype\Foo:
         class: Symfony\Component\DependencyInjection\Tests\Fixtures\Prototype\Foo
-        public: true
         tags:
             - { name: foo }
             - { name: baz }
@@ -15,7 +14,6 @@ services:
         factory: f
     Symfony\Component\DependencyInjection\Tests\Fixtures\Prototype\Sub\Bar:
         class: Symfony\Component\DependencyInjection\Tests\Fixtures\Prototype\Sub\Bar
-        public: true
         tags:
             - { name: foo }
             - { name: baz }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/services9.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/services9.php
index d9373a2a6f9e..ef390937687b 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/services9.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/config/services9.php
@@ -14,7 +14,7 @@
     $p->set('foo_class', FooClass::class)
       ->set('foo', 'bar');
 
-    $s = $c->services();
+    $s = $c->services()->defaults()->public();
     $s->set('foo')
         ->args(['foo', ref('foo.baz'), ['%foo%' => 'foo is %foo%', 'foobar' => '%foo%'], true, ref('service_container')])
         ->class(FooClass::class)
@@ -120,7 +120,6 @@
         ->tag('foo');
 
     $s->set('tagged_iterator', 'Bar')
-        ->public()
         ->args([tagged('foo')]);
 
     $s->alias('alias_for_foo', 'foo')->private()->public();