diff --git a/.travis.yml b/.travis.yml
index 6a87477..8d45050 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,4 +18,3 @@ before_script:
 
 script:
     - vendor/bin/phpspec run -f pretty
-    - vendor/bin/phpstan analyse -l 7 -c phpstan.neon .
diff --git a/Controller/ReorderController.php b/Controller/ReorderController.php
index 6d3801f..a46a211 100644
--- a/Controller/ReorderController.php
+++ b/Controller/ReorderController.php
@@ -89,7 +89,7 @@ private function dispatchEvent(AdminEvent $event): void
             && true === $this->eventDispatcher instanceof PsrEventDispatcherInterface
         ) {
             $this->eventDispatcher->dispatch($event);
-        } elseif (true === $this->eventDispatcher instanceof EventDispatcherInterface) {
+        } else {
             $this->eventDispatcher->dispatch(get_class($event), $event);
         }
     }
diff --git a/composer.json b/composer.json
index bc2dff8..2df63a9 100644
--- a/composer.json
+++ b/composer.json
@@ -24,11 +24,7 @@
     },
     "require-dev": {
         "phpspec/phpspec": "^5.0|^6.0",
-        "phpdocumentor/reflection-docblock": "^3.1",
-        "phpstan/phpstan": "^0.12.11",
-        "phpstan/phpstan-doctrine": "^0.12.9",
-        "phpstan/phpstan-strict-rules": "^0.12.2",
-        "psr/event-dispatcher": "^1.0"
+        "phpdocumentor/reflection-docblock": "^3.1"
     },
     "config": {
         "bin-dir": "vendor/bin"
diff --git a/phpstan.neon b/phpstan.neon
deleted file mode 100644
index d02f784..0000000
--- a/phpstan.neon
+++ /dev/null
@@ -1,61 +0,0 @@
-includes:
-    - vendor/phpstan/phpstan-doctrine/extension.neon
-parameters:
-    polluteScopeWithLoopInitialAssignments: false
-    polluteScopeWithAlwaysIterableForeach: false
-    checkAlwaysTrueCheckTypeFunctionCall: true
-    checkAlwaysTrueInstanceof: true
-    checkAlwaysTrueStrictComparison: true
-    checkFunctionNameCase: true
-    reportMaybesInMethodSignatures: true
-    reportStaticMethodSignatures: true
-    checkGenericClassInNonGenericObjectType: false
-    checkMissingIterableValueType: false
-    autoload_files:
-        - %currentWorkingDirectory%/vendor/autoload.php
-    excludes_analyse:
-        - '%currentWorkingDirectory%/Resources'
-        - '%currentWorkingDirectory%/spec'
-        - '%currentWorkingDirectory%/vendor'
-rules:
-    - PHPStan\Rules\BooleansInConditions\BooleanInBooleanAndRule
-    - PHPStan\Rules\BooleansInConditions\BooleanInBooleanNotRule
-    - PHPStan\Rules\BooleansInConditions\BooleanInBooleanOrRule
-    - PHPStan\Rules\BooleansInConditions\BooleanInElseIfConditionRule
-    - PHPStan\Rules\BooleansInConditions\BooleanInIfConditionRule
-    - PHPStan\Rules\BooleansInConditions\BooleanInTernaryOperatorRule
-    - PHPStan\Rules\DisallowedConstructs\DisallowedEmptyRule
-    - PHPStan\Rules\DisallowedConstructs\DisallowedImplicitArrayCreationRule
-    - PHPStan\Rules\ForeachLoop\OverwriteVariablesWithForeachRule
-    - PHPStan\Rules\Methods\WrongCaseOfInheritedMethodRule
-    - PHPStan\Rules\Operators\OperandInArithmeticPostDecrementRule
-    - PHPStan\Rules\Operators\OperandInArithmeticPostIncrementRule
-    - PHPStan\Rules\Operators\OperandInArithmeticPreDecrementRule
-    - PHPStan\Rules\Operators\OperandInArithmeticPreIncrementRule
-    - PHPStan\Rules\Operators\OperandsInArithmeticAdditionRule
-    - PHPStan\Rules\Operators\OperandsInArithmeticDivisionRule
-    - PHPStan\Rules\Operators\OperandsInArithmeticExponentiationRule
-    - PHPStan\Rules\Operators\OperandsInArithmeticModuloRule
-    - PHPStan\Rules\Operators\OperandsInArithmeticMultiplicationRule
-    - PHPStan\Rules\Operators\OperandsInArithmeticSubtractionRule
-    - PHPStan\Rules\StrictCalls\DynamicCallOnStaticMethodsRule
-    - PHPStan\Rules\StrictCalls\StrictFunctionCallsRule
-    - PHPStan\Rules\SwitchConditions\MatchingTypeInSwitchCaseConditionRule
-
-services:
-    -
-        class: PHPStan\Rules\BooleansInConditions\BooleanRuleHelper
-    -
-        class: PHPStan\Rules\Cast\UselessCastRule
-        arguments:
-            treatPhpDocTypesAsCertain: %treatPhpDocTypesAsCertain%
-        tags:
-            - phpstan.rules.rule
-    -
-        class: PHPStan\Rules\Operators\OperatorRuleHelper
-    -
-        class: PHPStan\Rules\VariableVariables\VariablePropertyFetchRule
-        arguments:
-                universalObjectCratesClasses: %universalObjectCratesClasses%
-        tags:
-                - phpstan.rules.rule