diff --git a/netbox/extras/forms/model_forms.py b/netbox/extras/forms/model_forms.py
index 26b7a552c..1d44a0de2 100644
--- a/netbox/extras/forms/model_forms.py
+++ b/netbox/extras/forms/model_forms.py
@@ -320,9 +320,8 @@ class TableConfigForm(forms.ModelForm):
     )
     columns = SimpleArrayField(
         base_field=forms.CharField(),
-        required=False,
         widget=forms.SelectMultiple(
-            attrs={'size': 10, 'class': 'form-select'}
+            attrs={'size': 10, 'class': 'form-select select-all'}
         ),
         label=_('Selected Columns')
     )
diff --git a/netbox/project-static/dist/netbox.js b/netbox/project-static/dist/netbox.js
index c93cdc4c4..b022e518d 100644
Binary files a/netbox/project-static/dist/netbox.js and b/netbox/project-static/dist/netbox.js differ
diff --git a/netbox/project-static/dist/netbox.js.map b/netbox/project-static/dist/netbox.js.map
index 72804c765..a8ce742fd 100644
Binary files a/netbox/project-static/dist/netbox.js.map and b/netbox/project-static/dist/netbox.js.map differ
diff --git a/netbox/project-static/src/forms/elements.ts b/netbox/project-static/src/forms/elements.ts
index e047ea738..a397feed6 100644
--- a/netbox/project-static/src/forms/elements.ts
+++ b/netbox/project-static/src/forms/elements.ts
@@ -1,6 +1,12 @@
 import { getElements, scrollTo } from '../util';
 
 function handleFormSubmit(event: Event, form: HTMLFormElement): void {
+  // Automatically select all options in any <select> with the "select-all" class. This is useful for
+  // multi-select fields that are used to add/remove choices.
+  for (const element of getElements<HTMLOptionElement>('select.select-all option')) {
+    element.selected = true;
+  }
+
   // Track the names of each invalid field.
   const invalids = new Set<string>();
 
diff --git a/netbox/project-static/src/tableConfig.ts b/netbox/project-static/src/tableConfig.ts
index d67832f82..f1dbedbae 100644
--- a/netbox/project-static/src/tableConfig.ts
+++ b/netbox/project-static/src/tableConfig.ts
@@ -1,16 +1,6 @@
 import { createToast } from './bs';
 import { getElements, apiPatch, hasError, getSelectedOptions } from './util';
 
-/**
- * Mark each option element in the selected columns element as 'selected' so they are submitted to
- * the API.
- */
-function saveTableConfig(): void {
-  for (const element of getElements<HTMLOptionElement>('select[name="columns"] option')) {
-    element.selected = true;
-  }
-}
-
 /**
  * Add columns to the table config select element.
  */
@@ -124,9 +114,6 @@ function handleSubmit(event: Event): void {
  * Initialize table configuration elements.
  */
 export function initTableConfig(): void {
-  for (const element of getElements<HTMLButtonElement>('#save_tableconfig')) {
-    element.addEventListener('click', saveTableConfig);
-  }
   for (const element of getElements<HTMLButtonElement>('#add_columns')) {
     element.addEventListener('click', addColumns);
   }
diff --git a/netbox/utilities/forms/forms.py b/netbox/utilities/forms/forms.py
index 0b92ce7b3..07dccf974 100644
--- a/netbox/utilities/forms/forms.py
+++ b/netbox/utilities/forms/forms.py
@@ -121,7 +121,7 @@ class TableConfigForm(forms.Form):
         choices=[],
         required=False,
         widget=forms.SelectMultiple(
-            attrs={'size': 10, 'class': 'form-select'}
+            attrs={'size': 10, 'class': 'form-select select-all'}
         ),
         label=_('Selected Columns')
     )