diff --git a/config/schema/entity_reference_revisions.schema.yml b/config/schema/entity_reference_revisions.schema.yml
index 75a216aec85f97eab49bf1f583189c6b02eee48f..8c6e32e677ddbaf9bea7325464d60c2ea36f2994 100644
--- a/config/schema/entity_reference_revisions.schema.yml
+++ b/config/schema/entity_reference_revisions.schema.yml
@@ -8,8 +8,8 @@ entity_reference_revisions.default.handler_settings:
       type: sequence
       label: 'types'
       sequence:
-        - type: string
-          label: 'Type'
+        type: string
+        label: 'Type'
     sort:
       type: mapping
       label: 'Sort settings'
@@ -31,8 +31,8 @@ entity_reference_revisions.default.handler_settings:
           type: sequence
           label: 'Restrict to the selected roles'
           sequence:
-            - type: string
-              label: 'Role'
+            type: string
+            label: 'Role'
     auto_create:
       type: boolean
       label: 'Create referenced entities if they don''t already exist'
diff --git a/config/schema/entity_reference_revisions.views.schema.yml b/config/schema/entity_reference_revisions.views.schema.yml
index afbad6375a1504ec699a4ace4b2657f1af6b9fa7..8da9fc5a5b0b8bb1b349c8fb011765a6a5923214 100644
--- a/config/schema/entity_reference_revisions.views.schema.yml
+++ b/config/schema/entity_reference_revisions.views.schema.yml
@@ -16,5 +16,5 @@ views.style.entity_reference_revisions:
       type: sequence
       label: 'Search fields'
       sequence:
-        - type: string
-          label: 'Search field'
+        type: string
+        label: 'Search field'