diff --git a/arrow-array/src/types.rs b/arrow-array/src/types.rs
index 3ade1405d7bc..038b2a291f58 100644
--- a/arrow-array/src/types.rs
+++ b/arrow-array/src/types.rs
@@ -58,6 +58,12 @@ pub trait ArrowPrimitiveType: primitive::PrimitiveTypeSealed + 'static {
     /// the corresponding Arrow data type of this primitive type.
     const DATA_TYPE: DataType;
 
+    /// Returns the byte width of this primitive type.
+    #[deprecated(note = "Use ArrowNativeType::get_byte_width")]
+    fn get_byte_width() -> usize {
+        std::mem::size_of::<Self::Native>()
+    }
+
     /// Returns a default value of this primitive type.
     ///
     /// This is useful for aggregate array ops like `sum()`, `mean()`.