diff --git a/.travis.yml b/.travis.yml
index bffa0704d..8c8093bf4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -57,7 +57,6 @@ before_script:
     - if [[ ! $PHP = hhvm* ]]; then echo "memory_limit=-1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini; fi;
     # xdebug isn't enable for PHP 7.1
     - if [[ ! $PHP = hhvm* ]]; then phpenv config-rm xdebug.ini || echo "xdebug not available"; fi
-    - if [[ $PHP = 5.5 ]]; then composer require "phpunit/phpunit:4.*" --no-update; fi;
     - composer self-update --no-progress
     - if [[ $DB = pgsql ]]; then psql -c 'create database wallabag_test;' -U postgres; fi;
 
@@ -72,7 +71,7 @@ before_install:
 script:
     - travis_wait bash composer install -o  --no-interaction --no-progress --prefer-dist
     - ant prepare-$DB
-    - if [[ $VALIDATE_TRANSLATION_FILE = '' ]]; then phpunit -v ; fi;
+    - if [[ $VALIDATE_TRANSLATION_FILE = '' ]]; then ./bin/simple-phpunit -v ; fi;
     - if [[ $CS_FIXER = run ]]; then php bin/php-cs-fixer fix src/ --verbose --dry-run ; fi;
     - if [[ $VALIDATE_TRANSLATION_FILE = run ]]; then php bin/console lint:yaml src/Wallabag/CoreBundle/Resources/translations -v ; fi;
     - if [[ $VALIDATE_TRANSLATION_FILE = run ]]; then php bin/console lint:yaml app/Resources/CraueConfigBundle/translations -v ; fi;
diff --git a/app/config/routing.yml b/app/config/routing.yml
index eedf51d59..0bd2d1306 100644
--- a/app/config/routing.yml
+++ b/app/config/routing.yml
@@ -17,10 +17,6 @@ wallabag_api:
     type: annotation
     prefix: /
 
-wallabag_api:
-    resource: "@WallabagApiBundle/Resources/config/routing.yml"
-    prefix: /
-
 app:
     resource: "@WallabagCoreBundle/Controller/"
     type: annotation
diff --git a/composer.json b/composer.json
index a5ef95296..fb6bed5b1 100644
--- a/composer.json
+++ b/composer.json
@@ -43,7 +43,7 @@
         "ext-iconv": "*",
         "ext-tokenizer": "*",
         "ext-pdo": "*",
-        "symfony/symfony": "3.1.*",
+        "symfony/symfony": "3.2.*",
         "doctrine/orm": "^2.5",
         "doctrine/doctrine-bundle": "^1.6",
         "doctrine/doctrine-cache-bundle": "^1.2",
@@ -90,7 +90,6 @@
         "doctrine/doctrine-fixtures-bundle": "~2.2",
         "doctrine/data-fixtures": "~1.1.1",
         "sensio/generator-bundle": "^3.0",
-        "phpunit/phpunit": "~4.0",
         "symfony/phpunit-bridge": "^3.0",
         "friendsofphp/php-cs-fixer": "~1.9",
         "m6web/redis-mock": "^2.0"
diff --git a/src/Wallabag/ApiBundle/Controller/DeveloperController.php b/src/Wallabag/ApiBundle/Controller/DeveloperController.php
index 550c06087..9cb1b6264 100644
--- a/src/Wallabag/ApiBundle/Controller/DeveloperController.php
+++ b/src/Wallabag/ApiBundle/Controller/DeveloperController.php
@@ -42,7 +42,7 @@ class DeveloperController extends Controller
         $clientForm = $this->createForm(ClientType::class, $client);
         $clientForm->handleRequest($request);
 
-        if ($clientForm->isValid()) {
+        if ($clientForm->isSubmitted() && $clientForm->isValid()) {
             $client->setAllowedGrantTypes(['token', 'authorization_code', 'password', 'refresh_token']);
             $em->persist($client);
             $em->flush();
diff --git a/src/Wallabag/ApiBundle/Resources/config/routing.yml b/src/Wallabag/ApiBundle/Resources/config/routing.yml
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/Wallabag/CoreBundle/Controller/ConfigController.php b/src/Wallabag/CoreBundle/Controller/ConfigController.php
index 68f30f6e6..907bf78e1 100644
--- a/src/Wallabag/CoreBundle/Controller/ConfigController.php
+++ b/src/Wallabag/CoreBundle/Controller/ConfigController.php
@@ -35,7 +35,7 @@ class ConfigController extends Controller
         $configForm = $this->createForm(ConfigType::class, $config, ['action' => $this->generateUrl('config')]);
         $configForm->handleRequest($request);
 
-        if ($configForm->isValid()) {
+        if ($configForm->isSubmitted() && $configForm->isValid()) {
             $em->persist($config);
             $em->flush();
 
@@ -57,7 +57,7 @@ class ConfigController extends Controller
         $pwdForm = $this->createForm(ChangePasswordType::class, null, ['action' => $this->generateUrl('config').'#set4']);
         $pwdForm->handleRequest($request);
 
-        if ($pwdForm->isValid()) {
+        if ($pwdForm->isSubmitted() && $pwdForm->isValid()) {
             if ($this->get('craue_config')->get('demo_mode_enabled') && $this->get('craue_config')->get('demo_mode_username') === $user->getUsername()) {
                 $message = 'flashes.config.notice.password_not_updated_demo';
             } else {
@@ -79,7 +79,7 @@ class ConfigController extends Controller
         ]);
         $userForm->handleRequest($request);
 
-        if ($userForm->isValid()) {
+        if ($userForm->isSubmitted() && $userForm->isValid()) {
             $userManager->updateUser($user, true);
 
             $this->get('session')->getFlashBag()->add(
@@ -94,7 +94,7 @@ class ConfigController extends Controller
         $rssForm = $this->createForm(RssType::class, $config, ['action' => $this->generateUrl('config').'#set2']);
         $rssForm->handleRequest($request);
 
-        if ($rssForm->isValid()) {
+        if ($rssForm->isSubmitted() && $rssForm->isValid()) {
             $em->persist($config);
             $em->flush();
 
@@ -125,7 +125,7 @@ class ConfigController extends Controller
         $newTaggingRule = $this->createForm(TaggingRuleType::class, $taggingRule, ['action' => $action]);
         $newTaggingRule->handleRequest($request);
 
-        if ($newTaggingRule->isValid()) {
+        if ($newTaggingRule->isSubmitted() && $newTaggingRule->isValid()) {
             $taggingRule->setConfig($config);
             $em->persist($taggingRule);
             $em->flush();
diff --git a/src/Wallabag/CoreBundle/Controller/EntryController.php b/src/Wallabag/CoreBundle/Controller/EntryController.php
index 8c13255ec..ff6f564eb 100644
--- a/src/Wallabag/CoreBundle/Controller/EntryController.php
+++ b/src/Wallabag/CoreBundle/Controller/EntryController.php
@@ -23,17 +23,25 @@ class EntryController extends Controller
      * @param Request $request
      * @param int     $page
      *
-     * @Route("/search/{page}", name="search", defaults={"page" = "1"})
+     * @Route("/search/{page}", name="search", defaults={"page" = 1})
+     *
+     * Default parameter for page is hardcoded (in duplication of the defaults from the Route)
+     * because this controller is also called inside the layout template without any page as argument
      *
      * @return \Symfony\Component\HttpFoundation\Response
      */
-    public function searchFormAction(Request $request, $page, $currentRoute)
+    public function searchFormAction(Request $request, $page = 1, $currentRoute = null)
     {
+        // fallback to retrieve currentRoute from query parameter instead of injected one (when using inside a template)
+        if (null === $currentRoute && $request->query->has('currentRoute')) {
+            $currentRoute = $request->query->get('currentRoute');
+        }
+
         $form = $this->createForm(SearchEntryType::class);
 
         $form->handleRequest($request);
 
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             return $this->showEntries('search', $request, $page);
         }
 
@@ -90,7 +98,7 @@ class EntryController extends Controller
 
         $form->handleRequest($request);
 
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             $existingEntry = $this->checkIfEntryAlreadyExists($entry);
 
             if (false !== $existingEntry) {
@@ -173,7 +181,7 @@ class EntryController extends Controller
 
         $form->handleRequest($request);
 
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             $em = $this->getDoctrine()->getManager();
             $em->persist($entry);
             $em->flush();
@@ -270,7 +278,7 @@ class EntryController extends Controller
     {
         $repository = $this->get('wallabag_core.entry_repository');
         $searchTerm = (isset($request->get('search_entry')['term']) ? $request->get('search_entry')['term'] : '');
-        $currentRoute = (!is_null($request->get('currentRoute')) ? $request->get('currentRoute') : '');
+        $currentRoute = (!is_null($request->query->get('currentRoute')) ? $request->query->get('currentRoute') : '');
 
         switch ($type) {
             case 'search':
diff --git a/src/Wallabag/CoreBundle/Controller/TagController.php b/src/Wallabag/CoreBundle/Controller/TagController.php
index a3e70fd0a..52707cb83 100644
--- a/src/Wallabag/CoreBundle/Controller/TagController.php
+++ b/src/Wallabag/CoreBundle/Controller/TagController.php
@@ -27,7 +27,7 @@ class TagController extends Controller
         $form = $this->createForm(NewTagType::class, new Tag());
         $form->handleRequest($request);
 
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             $this->get('wallabag_core.content_proxy')->assignTagsToEntry(
                 $entry,
                 $form->get('label')->getData()
diff --git a/src/Wallabag/ImportBundle/Controller/BrowserController.php b/src/Wallabag/ImportBundle/Controller/BrowserController.php
index 144a4880d..e119098f2 100644
--- a/src/Wallabag/ImportBundle/Controller/BrowserController.php
+++ b/src/Wallabag/ImportBundle/Controller/BrowserController.php
@@ -39,7 +39,7 @@ abstract class BrowserController extends Controller
         $wallabag = $this->getImportService();
         $wallabag->setUser($this->getUser());
 
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             $file = $form->get('file')->getData();
             $markAsRead = $form->get('mark_as_read')->getData();
             $name = $this->getUser()->getId().'.json';
diff --git a/src/Wallabag/ImportBundle/Controller/InstapaperController.php b/src/Wallabag/ImportBundle/Controller/InstapaperController.php
index c3fc8a391..0251acb92 100644
--- a/src/Wallabag/ImportBundle/Controller/InstapaperController.php
+++ b/src/Wallabag/ImportBundle/Controller/InstapaperController.php
@@ -26,7 +26,7 @@ class InstapaperController extends Controller
             $instapaper->setProducer($this->get('wallabag_import.producer.redis.instapaper'));
         }
 
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             $file = $form->get('file')->getData();
             $markAsRead = $form->get('mark_as_read')->getData();
             $name = 'instapaper_'.$this->getUser()->getId().'.csv';
diff --git a/src/Wallabag/ImportBundle/Controller/PinboardController.php b/src/Wallabag/ImportBundle/Controller/PinboardController.php
index 9c3f98d67..d0ad8aa87 100644
--- a/src/Wallabag/ImportBundle/Controller/PinboardController.php
+++ b/src/Wallabag/ImportBundle/Controller/PinboardController.php
@@ -26,7 +26,7 @@ class PinboardController extends Controller
             $pinboard->setProducer($this->get('wallabag_import.producer.redis.pinboard'));
         }
 
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             $file = $form->get('file')->getData();
             $markAsRead = $form->get('mark_as_read')->getData();
             $name = 'pinboard_'.$this->getUser()->getId().'.json';
diff --git a/src/Wallabag/ImportBundle/Controller/ReadabilityController.php b/src/Wallabag/ImportBundle/Controller/ReadabilityController.php
index d00e22c2d..aa732ddd5 100644
--- a/src/Wallabag/ImportBundle/Controller/ReadabilityController.php
+++ b/src/Wallabag/ImportBundle/Controller/ReadabilityController.php
@@ -26,7 +26,7 @@ class ReadabilityController extends Controller
             $readability->setProducer($this->get('wallabag_import.producer.redis.readability'));
         }
 
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             $file = $form->get('file')->getData();
             $markAsRead = $form->get('mark_as_read')->getData();
             $name = 'readability_'.$this->getUser()->getId().'.json';
diff --git a/src/Wallabag/ImportBundle/Controller/WallabagController.php b/src/Wallabag/ImportBundle/Controller/WallabagController.php
index 9c0cde806..e81c1ca9c 100644
--- a/src/Wallabag/ImportBundle/Controller/WallabagController.php
+++ b/src/Wallabag/ImportBundle/Controller/WallabagController.php
@@ -40,7 +40,7 @@ abstract class WallabagController extends Controller
         $wallabag = $this->getImportService();
         $wallabag->setUser($this->getUser());
 
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             $file = $form->get('file')->getData();
             $markAsRead = $form->get('mark_as_read')->getData();
             $name = $this->getUser()->getId().'.json';