diff --git a/features/opencase_features_opencase_ui/config/install/core.date_format.long.yml b/features/opencase_features_opencase_ui/config/install/core.date_format.long.yml
deleted file mode 100644
index 7734465..0000000
--- a/features/opencase_features_opencase_ui/config/install/core.date_format.long.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-langcode: en
-status: true
-dependencies: {  }
-id: long
-label: 'Default long date'
-locked: false
-pattern: 'D j M Y - H:i'
diff --git a/features/opencase_features_opencase_ui/config/install/core.date_format.medium.yml b/features/opencase_features_opencase_ui/config/install/core.date_format.medium.yml
deleted file mode 100644
index f70baa7..0000000
--- a/features/opencase_features_opencase_ui/config/install/core.date_format.medium.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-langcode: en
-status: true
-dependencies: {  }
-id: medium
-label: 'Default medium date'
-locked: false
-pattern: 'd/m/Y - H:i'
diff --git a/features/opencase_features_opencase_ui/config/install/core.date_format.short.yml b/features/opencase_features_opencase_ui/config/install/core.date_format.short.yml
deleted file mode 100644
index feb56ce..0000000
--- a/features/opencase_features_opencase_ui/config/install/core.date_format.short.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-langcode: en
-status: true
-dependencies: {  }
-id: short
-label: 'Default short date'
-locked: false
-pattern: d/m/Y