diff --git a/UNRELEASED.md b/UNRELEASED.md
index 30d0005828b..551472f09b1 100644
--- a/UNRELEASED.md
+++ b/UNRELEASED.md
@@ -21,4 +21,6 @@
 
 ### Code quality
 
+- Removed redundant null check in `TextField` ([#2783](https://github.com/Shopify/polaris-react/pull/2783))
+
 ### Deprecations
diff --git a/src/components/TextField/TextField.tsx b/src/components/TextField/TextField.tsx
index 24eb58f1453..18c2de6daad 100644
--- a/src/components/TextField/TextField.tsx
+++ b/src/components/TextField/TextField.tsx
@@ -490,9 +490,7 @@ export function TextField({
 }
 
 function normalizeAutoComplete(autoComplete?: boolean | string) {
-  if (autoComplete == null) {
-    return autoComplete;
-  } else if (autoComplete === true) {
+  if (autoComplete === true) {
     return 'on';
   } else if (autoComplete === false) {
     return 'off';