diff --git a/src/openforms/js/components/form/iotype-select.js b/src/openforms/js/components/form/iotype-select.js
deleted file mode 100644
index 88d61cec71..0000000000
--- a/src/openforms/js/components/form/iotype-select.js
+++ /dev/null
@@ -1,56 +0,0 @@
-import SelectField from './select';
-
-class InformatieObjectTypeSelectField extends SelectField {
-  setItems(items, fromSearch) {
-    const groups = {};
-    for (const item of items) {
-      const choice = {
-        value: item.informatieobjecttype.url,
-        label: item.informatieobjecttype.omschrijving,
-      };
-      const groupLabel = [item.backendLabel, item.catalogus.domein].filter(Boolean).join(' > ');
-      if (!(groupLabel in groups)) {
-        groups[groupLabel] = [];
-      }
-      groups[groupLabel].push(choice);
-    }
-
-    const choices = [];
-    for (const [index, groupName] of Object.keys(groups).entries()) {
-      const entry = {
-        label: groupName,
-        id: index + 1,
-        disable: false,
-        choices: groups[groupName],
-      };
-      choices.push(entry);
-    }
-
-    this.choices.setChoices(choices, 'value', 'label', true);
-
-    this.isScrollLoading = false;
-    this.loading = false;
-
-    const searching = fromSearch && this.choices?.input?.isFocussed;
-
-    if (!searching) {
-      // If a value is provided, then select it.
-      if (!this.isEmpty()) {
-        this.setValue(this.dataValue, {
-          noUpdateEvent: true,
-        });
-      } else if (this.shouldAddDefaultValue && !this.options.readOnly) {
-        // If a default value is provided then select it.
-        const defaultValue = this.defaultValue;
-        if (!this.isEmpty(defaultValue)) {
-          this.setValue(defaultValue);
-        }
-      }
-    }
-
-    // Say we are done loading the items.
-    this.itemsLoadedResolve();
-  }
-}
-
-export default InformatieObjectTypeSelectField;
diff --git a/src/openforms/js/formio_module.js b/src/openforms/js/formio_module.js
index fff642409b..d57c1c37c0 100644
--- a/src/openforms/js/formio_module.js
+++ b/src/openforms/js/formio_module.js
@@ -15,7 +15,6 @@ import EmailField from './components/form/email';
 import FieldSet from './components/form/fieldset';
 import FileField from './components/form/file';
 import IbanField from './components/form/iban';
-import InformatieObjectTypeSelectField from './components/form/iotype-select';
 import LicensePlate from './components/form/licenseplate';
 import Map from './components/form/map';
 import NpFamilyMembers from './components/form/np-family-members';
@@ -49,7 +48,6 @@ const FormIOModule = {
     postcode: PostcodeField,
     file: FileField,
     select: SelectField,
-    iotypeSelect: InformatieObjectTypeSelectField,
     radio: RadioField,
     selectboxes: SelectBoxesField,
     email: EmailField,