diff --git a/spec/Behat/MinkExtension/ServiceContainer/Driver/GoutteFactorySpec.php b/spec/Behat/MinkExtension/ServiceContainer/Driver/GoutteFactorySpec.php
index 9b27f62..484e6e7 100644
--- a/spec/Behat/MinkExtension/ServiceContainer/Driver/GoutteFactorySpec.php
+++ b/spec/Behat/MinkExtension/ServiceContainer/Driver/GoutteFactorySpec.php
@@ -3,7 +3,6 @@
 namespace spec\Behat\MinkExtension\ServiceContainer\Driver;
 
 use PhpSpec\ObjectBehavior;
-use Prophecy\Argument;
 
 class GoutteFactorySpec extends ObjectBehavior
 {
diff --git a/spec/Behat/MinkExtension/ServiceContainer/Driver/SahiFactorySpec.php b/spec/Behat/MinkExtension/ServiceContainer/Driver/SahiFactorySpec.php
index 62550f2..abdb7d5 100644
--- a/spec/Behat/MinkExtension/ServiceContainer/Driver/SahiFactorySpec.php
+++ b/spec/Behat/MinkExtension/ServiceContainer/Driver/SahiFactorySpec.php
@@ -3,7 +3,6 @@
 namespace spec\Behat\MinkExtension\ServiceContainer\Driver;
 
 use PhpSpec\ObjectBehavior;
-use Prophecy\Argument;
 
 class SahiFactorySpec extends ObjectBehavior
 {
diff --git a/spec/Behat/MinkExtension/ServiceContainer/Driver/SaucelabsFactorySpec.php b/spec/Behat/MinkExtension/ServiceContainer/Driver/SaucelabsFactorySpec.php
index 05922c3..eedfcd3 100644
--- a/spec/Behat/MinkExtension/ServiceContainer/Driver/SaucelabsFactorySpec.php
+++ b/spec/Behat/MinkExtension/ServiceContainer/Driver/SaucelabsFactorySpec.php
@@ -3,7 +3,6 @@
 namespace spec\Behat\MinkExtension\ServiceContainer\Driver;
 
 use PhpSpec\ObjectBehavior;
-use Prophecy\Argument;
 
 class SaucelabsFactorySpec extends ObjectBehavior
 {
diff --git a/spec/Behat/MinkExtension/ServiceContainer/Driver/Selenium2FactorySpec.php b/spec/Behat/MinkExtension/ServiceContainer/Driver/Selenium2FactorySpec.php
index 60e4199..5ec5c16 100644
--- a/spec/Behat/MinkExtension/ServiceContainer/Driver/Selenium2FactorySpec.php
+++ b/spec/Behat/MinkExtension/ServiceContainer/Driver/Selenium2FactorySpec.php
@@ -3,7 +3,6 @@
 namespace spec\Behat\MinkExtension\ServiceContainer\Driver;
 
 use PhpSpec\ObjectBehavior;
-use Prophecy\Argument;
 
 class Selenium2FactorySpec extends ObjectBehavior
 {
diff --git a/spec/Behat/MinkExtension/ServiceContainer/Driver/SeleniumFactorySpec.php b/spec/Behat/MinkExtension/ServiceContainer/Driver/SeleniumFactorySpec.php
index 4de8c85..a1fb505 100644
--- a/spec/Behat/MinkExtension/ServiceContainer/Driver/SeleniumFactorySpec.php
+++ b/spec/Behat/MinkExtension/ServiceContainer/Driver/SeleniumFactorySpec.php
@@ -3,7 +3,6 @@
 namespace spec\Behat\MinkExtension\ServiceContainer\Driver;
 
 use PhpSpec\ObjectBehavior;
-use Prophecy\Argument;
 
 class SeleniumFactorySpec extends ObjectBehavior
 {
diff --git a/spec/Behat/MinkExtension/ServiceContainer/Driver/ZombieFactorySpec.php b/spec/Behat/MinkExtension/ServiceContainer/Driver/ZombieFactorySpec.php
index 6f1f219..f0e0445 100644
--- a/spec/Behat/MinkExtension/ServiceContainer/Driver/ZombieFactorySpec.php
+++ b/spec/Behat/MinkExtension/ServiceContainer/Driver/ZombieFactorySpec.php
@@ -3,7 +3,6 @@
 namespace spec\Behat\MinkExtension\ServiceContainer\Driver;
 
 use PhpSpec\ObjectBehavior;
-use Prophecy\Argument;
 
 class ZombieFactorySpec extends ObjectBehavior
 {