diff --git a/.changeset/chatty-pianos-run.md b/.changeset/chatty-pianos-run.md
new file mode 100644
index 0000000000..e3071f6437
--- /dev/null
+++ b/.changeset/chatty-pianos-run.md
@@ -0,0 +1,5 @@
+---
+"@nextui-org/date-input": patch
+---
+
+Removed autoCapitalize to prevent warnings (#3297)
diff --git a/packages/components/date-input/src/date-input-segment.tsx b/packages/components/date-input/src/date-input-segment.tsx
index ddb153c018..9b4bbba156 100644
--- a/packages/components/date-input/src/date-input-segment.tsx
+++ b/packages/components/date-input/src/date-input-segment.tsx
@@ -25,6 +25,11 @@ export const DateInputSegment: React.FC<DateInputSegmentProps> = ({
 
   let {segmentProps} = useDateSegment(segment, state, ref);
 
+  // @ts-expect-error autoCapitalize is not a valid prop
+  // Removing autoCapitalize as it causes bugs in Firefox.
+  // See: https://github.com/adobe/react-spectrum/issues/5599
+  delete segmentProps.autoCapitalize;
+
   return (
     <div
       {...mergeProps(segmentProps, otherProps)}