diff --git a/packages/ibm-products/src/components/APIKeyModal/APIKeyModal.types.ts b/packages/ibm-products/src/components/APIKeyModal/APIKeyModal.types.ts
index 47f373ffa4..61b9a60d4b 100644
--- a/packages/ibm-products/src/components/APIKeyModal/APIKeyModal.types.ts
+++ b/packages/ibm-products/src/components/APIKeyModal/APIKeyModal.types.ts
@@ -146,7 +146,7 @@ interface APIKeyModalCommonProps {
   /**
    * The DOM node the tearsheet should be rendered within. Defaults to document.body.
    */
-  portalTarget: ReactNode;
+  portalTarget?: ReactNode;
   /**
    * label text that's displayed when hovering over visibility toggler to show key
    */
diff --git a/packages/ibm-products/src/components/Tearsheet/Tearsheet.tsx b/packages/ibm-products/src/components/Tearsheet/Tearsheet.tsx
index 6e83d26750..1edf86e6f9 100644
--- a/packages/ibm-products/src/components/Tearsheet/Tearsheet.tsx
+++ b/packages/ibm-products/src/components/Tearsheet/Tearsheet.tsx
@@ -59,7 +59,7 @@ export interface TearsheetProps extends PropsWithChildren {
    *
    * See https://react.carbondesignsystem.com/?path=/docs/components-button--default#component-api
    */
-  actions: ButtonProps[];
+  actions: ButtonProps<'button'>[];
 
   /**
    * The aria-label for the tearsheet, which is optional.
@@ -133,7 +133,7 @@ export interface TearsheetProps extends PropsWithChildren {
   /**
    * The DOM element that the tearsheet should be rendered within. Defaults to document.body.
    */
-  portalTarget: ReactNode;
+  portalTarget?: ReactNode;
 
   /**
    * Specify a CSS selector that matches the DOM element that should be