diff --git a/core/modules/file/config/schema/file.schema.yml b/core/modules/file/config/schema/file.schema.yml
index acfd376..08634dd 100644
--- a/core/modules/file/config/schema/file.schema.yml
+++ b/core/modules/file/config/schema/file.schema.yml
@@ -23,15 +23,9 @@ file.settings:
           label: 'Directory'
 
 field.file.settings:
-  type: mapping
+  type: base_entity_reference_field_settings
   label: 'File settings'
   mapping:
-    target_type:
-      type: string
-      label: 'Type of item to reference'
-    target_bundle:
-      type: string
-      label: 'Bundle of item to reference'
     display_field:
       type: boolean
       label: 'Enable Display field'
diff --git a/core/modules/system/config/schema/system.schema.yml b/core/modules/system/config/schema/system.schema.yml
index 5375524..166227a 100644
--- a/core/modules/system/config/schema/system.schema.yml
+++ b/core/modules/system/config/schema/system.schema.yml
@@ -391,3 +391,13 @@ condition.plugin.request_path:
   mapping:
     pages:
       type: string
+
+base_entity_reference_field_settings:
+  type: mapping
+  mapping:
+    target_type:
+      type: string
+      label: 'Type of item to reference'
+    target_bundle:
+      type: string
+      label: 'Bundle of item to reference'
diff --git a/core/modules/taxonomy/config/schema/taxonomy.schema.yml b/core/modules/taxonomy/config/schema/taxonomy.schema.yml
index 3f0962f..40004c3 100644
--- a/core/modules/taxonomy/config/schema/taxonomy.schema.yml
+++ b/core/modules/taxonomy/config/schema/taxonomy.schema.yml
@@ -35,15 +35,9 @@ taxonomy.vocabulary.*:
       label: 'Weight'
 
 field.taxonomy_term_reference.settings:
-  type: mapping
+  type: base_entity_reference_field_settings
   label: 'Taxonomy term reference settings'
   mapping:
-    target_bundle:
-      type: string
-      label: 'Bundle of item to reference'
     options_list_callback:
       type: string
       label: 'Options list callback'