diff --git a/src/Stream.php b/src/Stream.php
index b841fc2a..d6e165e1 100644
--- a/src/Stream.php
+++ b/src/Stream.php
@@ -40,7 +40,10 @@
  */
 class Stream implements StreamInterface
 {
-    use StreamTrait;
+    /**
+     * A list of allowed stream resource types that are allowed to instantiate a Stream
+     */
+    private const ALLOWED_STREAM_RESOURCE_TYPES = ['gd', 'stream'];
 
     /**
      * @var resource|null
@@ -359,4 +362,17 @@ private function setStream($stream, string $mode = 'r') : void
 
         $this->resource = $resource;
     }
+
+    /**
+     * Determine if a resource is one of the resource types allowed to instantiate a Stream
+     *
+     * @param resource $resource Stream resource.
+     */
+    private function isValidStreamResourceType($resource): bool
+    {
+        return (
+            is_resource($resource) &&
+            in_array(get_resource_type($resource), self::ALLOWED_STREAM_RESOURCE_TYPES, true)
+        );
+    }
 }
diff --git a/src/StreamFactory.php b/src/StreamFactory.php
index ce95a0c8..9f4ab328 100644
--- a/src/StreamFactory.php
+++ b/src/StreamFactory.php
@@ -21,7 +21,6 @@
 
 class StreamFactory implements StreamFactoryInterface
 {
-    use StreamTrait;
 
     /**
      * {@inheritDoc}
@@ -48,11 +47,6 @@ public function createStreamFromFile(string $file, string $mode = 'r') : StreamI
      */
     public function createStreamFromResource($resource) : StreamInterface
     {
-        if (! $this->isValidStreamResourceType($resource)) {
-            throw new Exception\InvalidArgumentException(
-                'Invalid stream provided; must be a stream resource'
-            );
-        }
         return new Stream($resource);
     }
 }
diff --git a/src/StreamTrait.php b/src/StreamTrait.php
deleted file mode 100644
index 44f33850..00000000
--- a/src/StreamTrait.php
+++ /dev/null
@@ -1,30 +0,0 @@
-<?php
-
-/**
- * @see       https://github.com/laminas/laminas-diactoros for the canonical source repository
- * @copyright https://github.com/laminas/laminas-diactoros/blob/master/COPYRIGHT.md
- * @license   https://github.com/laminas/laminas-diactoros/blob/master/LICENSE.md New BSD License
- */
-
-declare(strict_types=1);
-
-namespace Laminas\Diactoros;
-
-trait StreamTrait
-{
-    /**
-     * A list of types that are allowed to instantiate a Stream
-     */
-    private $allowedTypes = ['gd', 'stream'];
-
-    /**
-     * Determine if a resource is one of the resource types allowed to instantiate a Stream
-     *
-     * @param resource $resource Stream resource.
-     * @return bool
-     */
-    private function isValidStreamResourceType($resource)
-    {
-        return (is_resource($resource) && in_array(get_resource_type($resource), $this->allowedTypes, true));
-    }
-}