diff --git a/.php_cs.dist b/.php_cs.dist
index 13298b538..4affabccd 100644
--- a/.php_cs.dist
+++ b/.php_cs.dist
@@ -2,6 +2,7 @@
 $finder = array_reduce(
     [
         __DIR__ . '/src/',
+        __DIR__ . '/examples/',
         __DIR__ . '/bin/',
         __DIR__ . '/tests/',
     ],
diff --git a/examples/ClassUnqualifier.php b/examples/ClassUnqualifier.php
index 6067005dd..34e66e9d7 100644
--- a/examples/ClassUnqualifier.php
+++ b/examples/ClassUnqualifier.php
@@ -1,9 +1,6 @@
 <?php
 namespace Psalm\Example\Plugin;
 
-use PhpParser;
-use Psalm\Checker;
-use Psalm\Context;
 use Psalm\CodeLocation;
 use Psalm\FileManipulation\FileManipulation;
 use Psalm\StatementsSource;
diff --git a/examples/StringChecker.php b/examples/StringChecker.php
index bea417d26..96a0add40 100644
--- a/examples/StringChecker.php
+++ b/examples/StringChecker.php
@@ -4,8 +4,8 @@ namespace Psalm\Example\Plugin;
 use PhpParser;
 use Psalm\Checker;
 use Psalm\Checker\StatementsChecker;
-use Psalm\Context;
 use Psalm\CodeLocation;
+use Psalm\Context;
 use Psalm\FileManipulation\FileManipulation;
 
 /**
diff --git a/examples/TemplateChecker.php b/examples/TemplateChecker.php
index 469d7d653..b474d6263 100644
--- a/examples/TemplateChecker.php
+++ b/examples/TemplateChecker.php
@@ -1,5 +1,4 @@
 <?php
-
 namespace Psalm\Examples\Template;
 
 use PhpParser;
@@ -28,7 +27,6 @@ class TemplateChecker extends Psalm\Checker\FileChecker
         $first_stmt = $stmts[0];
 
         if (($first_stmt instanceof PhpParser\Node\Stmt\Nop) && ($doc_comment = $first_stmt->getDocComment())) {
-
             $comment_block = CommentChecker::parseDocComment(trim($doc_comment->getText()));
 
             if (isset($comment_block['specials']['variablesfrom'])) {
@@ -69,7 +67,6 @@ class TemplateChecker extends Psalm\Checker\FileChecker
         $this_params = null;
 
         if (($first_stmt instanceof PhpParser\Node\Stmt\Nop) && ($doc_comment = $first_stmt->getDocComment())) {
-
             $comment_block = CommentChecker::parseDocComment(trim($doc_comment->getText()));
 
             if (isset($comment_block['specials']['variablesfrom'])) {
@@ -91,7 +88,7 @@ class TemplateChecker extends Psalm\Checker\FileChecker
                 }
 
                 $this_params->vars_in_scope['$this'] = new Type\Union([
-                    new Type\Atomic\TNamedObject(self::VIEW_CLASS)
+                    new Type\Atomic\TNamedObject(self::VIEW_CLASS),
                 ]);
             }
         }
@@ -101,7 +98,7 @@ class TemplateChecker extends Psalm\Checker\FileChecker
             $this_params->check_variables = false;
             $this_params->self = self::VIEW_CLASS;
             $this_params->vars_in_scope['$this'] = new Type\Union([
-                new Type\Atomic\TNamedObject(self::VIEW_CLASS)
+                new Type\Atomic\TNamedObject(self::VIEW_CLASS),
             ]);
         }
 
@@ -113,6 +110,7 @@ class TemplateChecker extends Psalm\Checker\FileChecker
     /**
      * @param  string         $method_id
      * @param  PhpParser\Node $stmt
+     *
      * @return Context|false
      */
     private function checkMethod($method_id, PhpParser\Node $stmt)
@@ -160,6 +158,7 @@ class TemplateChecker extends Psalm\Checker\FileChecker
 
     /**
      * @param  Context $context
+     *
      * @return void
      */
     protected function checkWithViewClass(Context $context)
diff --git a/phpcs.xml b/phpcs.xml
index fd700075e..ed1b699f6 100644
--- a/phpcs.xml
+++ b/phpcs.xml
@@ -10,7 +10,6 @@
     <exclude-pattern>src/Psalm/CallMap.php</exclude-pattern>
 
     <!-- These are just examples and stub classes/files, so it doesn't really matter if they're PSR-2 compliant. -->
-    <exclude-pattern>examples/</exclude-pattern>
     <exclude-pattern>src/Psalm/Stubs/</exclude-pattern>
     <exclude-pattern>tests/stubs/</exclude-pattern>
 </ruleset>
diff --git a/src/Psalm/Checker/InterfaceChecker.php b/src/Psalm/Checker/InterfaceChecker.php
index 69aec9d54..373dd9de3 100644
--- a/src/Psalm/Checker/InterfaceChecker.php
+++ b/src/Psalm/Checker/InterfaceChecker.php
@@ -3,7 +3,6 @@ namespace Psalm\Checker;
 
 use PhpParser;
 use Psalm\CodeLocation;
-use Psalm\Context;
 use Psalm\StatementsSource;
 
 class InterfaceChecker extends ClassLikeChecker