diff --git a/src/Plugin/facets/processor/BooleanItemProcessor.php b/src/Plugin/facets/processor/BooleanItemProcessor.php
index 0a35ffb..52f07a2 100644
--- a/src/Plugin/facets/processor/BooleanItemProcessor.php
+++ b/src/Plugin/facets/processor/BooleanItemProcessor.php
@@ -2,11 +2,11 @@
 
 namespace Drupal\facets\Plugin\facets\processor;
 
+use Drupal\Core\TypedData\ComplexDataDefinitionInterface;
 use Drupal\facets\FacetInterface;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\facets\Processor\BuildProcessorInterface;
 use Drupal\facets\Processor\ProcessorPluginBase;
-use Drupal\search_api\Processor\ProcessorPropertyInterface;
 
 /**
  * Provides a processor for boolean labels.
@@ -90,7 +90,10 @@ public function defaultConfiguration() {
    */
   public function supportsFacet(FacetInterface $facet) {
     $data_definition = $facet->getDataDefinition();
-    if ($data_definition instanceof ProcessorPropertyInterface) {
+    if ($data_definition->getDataType() == "boolean") {
+      return TRUE;
+    }
+    if (!($data_definition instanceof ComplexDataDefinitionInterface)) {
       return FALSE;
     }
 
diff --git a/src/Plugin/facets/processor/TranslateEntityProcessor.php b/src/Plugin/facets/processor/TranslateEntityProcessor.php
index 771c75a..ce33a97 100644
--- a/src/Plugin/facets/processor/TranslateEntityProcessor.php
+++ b/src/Plugin/facets/processor/TranslateEntityProcessor.php
@@ -5,13 +5,13 @@
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\Core\Language\LanguageManagerInterface;
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\Core\TypedData\ComplexDataDefinitionInterface;
 use Drupal\Core\TypedData\DataReferenceDefinitionInterface;
 use Drupal\Core\TypedData\TranslatableInterface;
 use Drupal\facets\Exception\InvalidProcessorException;
 use Drupal\facets\FacetInterface;
 use Drupal\facets\Processor\BuildProcessorInterface;
 use Drupal\facets\Processor\ProcessorPluginBase;
-use Drupal\search_api\Processor\ProcessorPropertyInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
@@ -142,7 +142,10 @@ public function build(FacetInterface $facet, array $results) {
    */
   public function supportsFacet(FacetInterface $facet) {
     $data_definition = $facet->getDataDefinition();
-    if ($data_definition instanceof ProcessorPropertyInterface) {
+    if ($data_definition->getDataType() == "boolean") {
+      return TRUE;
+    }
+    if (!($data_definition instanceof ComplexDataDefinitionInterface)) {
       return FALSE;
     }
 
diff --git a/src/Plugin/facets/processor/UidToUserNameCallbackProcessor.php b/src/Plugin/facets/processor/UidToUserNameCallbackProcessor.php
index 490f9f9..76ab37d 100644
--- a/src/Plugin/facets/processor/UidToUserNameCallbackProcessor.php
+++ b/src/Plugin/facets/processor/UidToUserNameCallbackProcessor.php
@@ -2,11 +2,10 @@
 
 namespace Drupal\facets\Plugin\facets\processor;
 
-use Drupal\Core\TypedData\DataReferenceDefinitionInterface;
-use Drupal\facets\FacetInterface;
+use Drupal\Core\TypedData\ComplexDataDefinitionInterface;
+use Drupal\Core\TypedData\DataReferenceDefinitionInterface;use Drupal\facets\FacetInterface;
 use Drupal\facets\Processor\BuildProcessorInterface;
 use Drupal\facets\Processor\ProcessorPluginBase;
-use Drupal\search_api\Processor\ProcessorPropertyInterface;
 use Drupal\user\Entity\User;
 
 /**
@@ -46,7 +45,10 @@ public function build(FacetInterface $facet, array $results) {
    */
   public function supportsFacet(FacetInterface $facet) {
     $data_definition = $facet->getDataDefinition();
-    if ($data_definition instanceof ProcessorPropertyInterface) {
+    if ($data_definition->getDataType() == "boolean") {
+      return TRUE;
+    }
+    if (!($data_definition instanceof ComplexDataDefinitionInterface)) {
       return FALSE;
     }