diff --git a/crates/re_types/tests/fuzzy.rs b/crates/re_types/tests/fuzzy.rs
index 8c1424dc1186..bc454452513b 100644
--- a/crates/re_types/tests/fuzzy.rs
+++ b/crates/re_types/tests/fuzzy.rs
@@ -132,5 +132,6 @@ fn roundtrip() {
         eprintln!("{} = {array:#?}", field.name);
     }
 
-    // TODO(cmc): deserialize
+    let deserialized = AffixFuzzer1::from_arrow(serialized);
+    similar_asserts::assert_eq!(arch, deserialized);
 }
diff --git a/crates/re_types/tests/points2d.rs b/crates/re_types/tests/points2d.rs
index 1630ed0252b1..ec0a046b7d35 100644
--- a/crates/re_types/tests/points2d.rs
+++ b/crates/re_types/tests/points2d.rs
@@ -53,5 +53,6 @@ fn roundtrip() {
         eprintln!("{} = {array:#?}", field.name);
     }
 
-    // TODO(cmc): deserialize
+    let deserialized = Points2D::from_arrow(serialized);
+    similar_asserts::assert_eq!(expected, deserialized);
 }