diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index 8b2de156b..2165d4b2b 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -1447,9 +1447,6 @@
     </RedundantConditionGivenDocblockType>
   </file>
   <file src="src/Helper/Placeholder/Registry.php">
-    <DocblockTypeContradiction occurrences="1">
-      <code>null === static::$instance</code>
-    </DocblockTypeContradiction>
     <InvalidStringClass occurrences="1">
       <code>new $this-&gt;containerClass($value)</code>
     </InvalidStringClass>
@@ -1472,9 +1469,6 @@
       <code>(string) $key</code>
       <code>(string) $key</code>
     </RedundantCastGivenDocblockType>
-    <UnsafeInstantiation occurrences="1">
-      <code>new static()</code>
-    </UnsafeInstantiation>
   </file>
   <file src="src/Helper/RenderChildModel.php">
     <MissingConstructor occurrences="2">
@@ -2361,10 +2355,6 @@
     </UndefinedMethod>
   </file>
   <file src="test/Helper/GravatarTest.php">
-    <DeprecatedMethod occurrences="2">
-      <code>getAttribs</code>
-      <code>setAttribs</code>
-    </DeprecatedMethod>
     <InvalidScalarArgument occurrences="3">
       <code>$value</code>
       <code>$value</code>
diff --git a/src/Helper/Gravatar.php b/src/Helper/Gravatar.php
index 65a42ac36..984a597e0 100644
--- a/src/Helper/Gravatar.php
+++ b/src/Helper/Gravatar.php
@@ -12,13 +12,10 @@
 use function sprintf;
 use function str_replace;
 use function strtolower;
-use function trigger_error;
 use function trim;
 use function ucwords;
 use function urlencode;
 
-use const E_USER_DEPRECATED;
-
 /**
  * Helper for retrieving avatars from gravatar.com
  */
@@ -196,26 +193,6 @@ public function setAttributes(array $attributes)
         return $this;
     }
 
-    /**
-     * Set attribs for image tag
-     *
-     * @deprecated Please use Laminas\View\Helper\Gravatar::setAttributes
-     *
-     * @param  array $attribs
-     * @return Gravatar
-     */
-    public function setAttribs(array $attribs)
-    {
-        trigger_error(sprintf(
-            '%s is deprecated; please use %s::setAttributes',
-            __METHOD__,
-            self::class
-        ), E_USER_DEPRECATED);
-
-        $this->setAttributes($attribs);
-        return $this;
-    }
-
     /**
      * Get attributes of image
      *
@@ -231,29 +208,6 @@ public function getAttributes()
         return $this->attributes;
     }
 
-    /**
-     * Get attribs of image
-     *
-     * Warning!
-     * If you set src attrib, you get it, but this value will be overwritten in
-     * protected method setSrcAttribForImg(). And finally your get other src
-     * value!
-     *
-     * @deprecated Please use Laminas\View\Helper\Gravatar::getAttributes
-     *
-     * @return array
-     */
-    public function getAttribs()
-    {
-        trigger_error(sprintf(
-            '%s is deprecated; please use %s::getAttributes',
-            __METHOD__,
-            self::class
-        ), E_USER_DEPRECATED);
-
-        return $this->getAttributes();
-    }
-
     /**
      * Set default img
      *
diff --git a/src/Helper/Placeholder/Registry.php b/src/Helper/Placeholder/Registry.php
index 5de7c967c..ae3dc4abd 100644
--- a/src/Helper/Placeholder/Registry.php
+++ b/src/Helper/Placeholder/Registry.php
@@ -12,9 +12,6 @@
 use function class_parents;
 use function in_array;
 use function sprintf;
-use function trigger_error;
-
-use const E_USER_DEPRECATED;
 
 /**
  * Registry for placeholder containers
@@ -42,34 +39,6 @@ class Registry
      */
     protected $items = [];
 
-    /**
-     * Retrieve or create registry instance
-     *
-     * @return Registry
-     */
-    public static function getRegistry()
-    {
-        trigger_error('Placeholder view helpers should no longer use a singleton registry', E_USER_DEPRECATED);
-        if (null === static::$instance) {
-            static::$instance = new static();
-        }
-
-        return static::$instance;
-    }
-
-    /**
-     * Unset the singleton
-     *
-     * Primarily useful for testing purposes; sets {@link $instance} to null.
-     *
-     * @return void
-     */
-    public static function unsetRegistry()
-    {
-        trigger_error('Placeholder view helpers should no longer use a singleton registry', E_USER_DEPRECATED);
-        static::$instance = null;
-    }
-
     /**
      * Set the container for an item in the registry
      *
diff --git a/test/Helper/GravatarTest.php b/test/Helper/GravatarTest.php
index 0f5cd8c23..d763d94e4 100644
--- a/test/Helper/GravatarTest.php
+++ b/test/Helper/GravatarTest.php
@@ -8,7 +8,6 @@
 use Laminas\View\Helper\Gravatar;
 use Laminas\View\Renderer\PhpRenderer as View;
 use PHPUnit\Framework\TestCase;
-use ReflectionMethod;
 
 use function method_exists;
 use function strtoupper;
@@ -274,34 +273,4 @@ public function testEmailIsProperlyNormalized(): void
             $this->helper->__invoke('Example@Example.com ')->getEmail()
         );
     }
-
-    public function testSetAttribsIsDeprecated(): void
-    {
-        $this->expectDeprecation();
-
-        $this->helper->setAttribs([]);
-    }
-
-    public function testSetAttribsDocCommentHasDeprecated(): void
-    {
-        $method  = new ReflectionMethod($this->helper, 'setAttribs');
-        $comment = $method->getDocComment();
-
-        $this->assertStringContainsString('@deprecated', $comment);
-    }
-
-    public function testGetAttribsIsDeprecated(): void
-    {
-        $this->expectDeprecation();
-
-        $this->helper->getAttribs();
-    }
-
-    public function testGetAttribsDocCommentHasDeprecated(): void
-    {
-        $method  = new ReflectionMethod($this->helper, 'getAttribs');
-        $comment = $method->getDocComment();
-
-        $this->assertStringContainsString('@deprecated', $comment);
-    }
 }