diff --git a/packages/calcite-components/src/components/checkbox/checkbox.tsx b/packages/calcite-components/src/components/checkbox/checkbox.tsx
index 61e8d21110e..95be6721bd9 100644
--- a/packages/calcite-components/src/components/checkbox/checkbox.tsx
+++ b/packages/calcite-components/src/components/checkbox/checkbox.tsx
@@ -62,7 +62,11 @@ export class Checkbox
    */
   @Prop({ reflect: true }) form: string;
 
-  /** The `id` attribute of the component. When omitted, a globally unique identifier is used. */
+  /**
+   * The `id` attribute of the component. When omitted, a globally unique identifier is used.
+   *
+   * @deprecated No longer necessary.
+   */
   @Prop({ reflect: true, mutable: true }) guid: string;
 
   /**
diff --git a/packages/calcite-components/src/components/radio-button/radio-button.tsx b/packages/calcite-components/src/components/radio-button/radio-button.tsx
index 632fc2a7952..794d7bf7a74 100644
--- a/packages/calcite-components/src/components/radio-button/radio-button.tsx
+++ b/packages/calcite-components/src/components/radio-button/radio-button.tsx
@@ -96,7 +96,11 @@ export class RadioButton
   @Prop({ reflect: true })
   form: string;
 
-  /** The `id` of the component. When omitted, a globally unique identifier is used. */
+  /**
+   * The `id` of the component. When omitted, a globally unique identifier is used.
+   *
+   * @deprecated No longer necessary.
+   */
   @Prop({ reflect: true, mutable: true }) guid: string;
 
   /**