diff --git a/crates/re_types/definitions/fbs/scalars.fbs b/crates/re_types/definitions/fbs/scalars.fbs
deleted file mode 100644
index 085df42e26db..000000000000
--- a/crates/re_types/definitions/fbs/scalars.fbs
+++ /dev/null
@@ -1,13 +0,0 @@
-/// Unions cannot directly refer to scalar types, they need to be wrapped in a struct or table
-/// first.
-/// This package provides pre-wrapped scalars that will be automatically flattened down to their
-/// inner type by our parsers.
-///
-/// Look e.g. for `fbs.scalars.Float32` in `objects.rs` to see this flatenning in action.
-
-namespace fbs.scalars;
-
-/// Flattens down to a 32-bit float.
-struct Float32 {
-  v: float;
-}
diff --git a/crates/re_types/definitions/rerun/testing/datatypes/fuzzy.fbs b/crates/re_types/definitions/rerun/testing/datatypes/fuzzy.fbs
index 36b2efc87a47..7ba0c8a62d0b 100644
--- a/crates/re_types/definitions/rerun/testing/datatypes/fuzzy.fbs
+++ b/crates/re_types/definitions/rerun/testing/datatypes/fuzzy.fbs
@@ -1,6 +1,5 @@
 include "arrow/attributes.fbs";
 include "fbs/attributes.fbs";
-include "fbs/scalars.fbs";
 include "rust/attributes.fbs";
 
 namespace rerun.testing.datatypes;
diff --git a/crates/re_types/source_hash.txt b/crates/re_types/source_hash.txt
index 213108d612d7..f71e56dffc6b 100644
--- a/crates/re_types/source_hash.txt
+++ b/crates/re_types/source_hash.txt
@@ -1,4 +1,4 @@
 # This is a sha256 hash for all direct and indirect dependencies of this crate's build script.
 # It can be safely removed at anytime to force the build script to run again.
 # Check out build.rs to see how it's computed.
-fccdb1905f00757848831d294df37a5a03ae531b63f8a93eb93f09230116b097
\ No newline at end of file
+dfeebe79deccb382827eaab2ae15a5cac391802477c771972967196c6406edca
\ No newline at end of file
diff --git a/crates/re_types_builder/src/objects.rs b/crates/re_types_builder/src/objects.rs
index 6d52d7037653..714755edb2e7 100644
--- a/crates/re_types_builder/src/objects.rs
+++ b/crates/re_types_builder/src/objects.rs
@@ -51,12 +51,7 @@ impl Objects {
         }
 
         // resolve objects
-        for obj in schema
-            .objects()
-            .iter()
-            // NOTE: Wrapped scalar types used by unions, not actual objects: ignore.
-            .filter(|obj| !obj.name().starts_with("fbs.scalars."))
-        {
+        for obj in schema.objects().iter() {
             let resolved_obj = Object::from_raw_object(include_dir_path, &enums, &objs, &obj);
             resolved_objs.insert(resolved_obj.fqname.clone(), resolved_obj);
         }
@@ -802,7 +797,7 @@ impl Type {
             FbsBaseType::String => Self::String,
             FbsBaseType::Obj => {
                 let obj = &objs[field_type.index() as usize];
-                flatten_scalar_wrappers(obj).into()
+                Self::Object(obj.name().to_owned())
             }
             FbsBaseType::Union => {
                 let union = &enums[field_type.index() as usize];
@@ -917,7 +912,7 @@ impl ElementType {
             FbsBaseType::String => Self::String,
             FbsBaseType::Obj => {
                 let obj = &objs[outer_type.index() as usize];
-                flatten_scalar_wrappers(obj)
+                Self::Object(obj.name().to_owned())
             }
             FbsBaseType::Union => unimplemented!("{inner_type:#?}"), // NOLINT
             FbsBaseType::None
@@ -1020,19 +1015,6 @@ impl Attributes {
     }
 }
 
-/// Helper to turn wrapped scalars into actual scalars.
-fn flatten_scalar_wrappers(obj: &FbsObject<'_>) -> ElementType {
-    let name = obj.name();
-    if name.starts_with("fbs.scalars.") {
-        match name {
-            "fbs.scalars.Float32" => ElementType::Float32,
-            _ => unimplemented!("{name:#?}"), // NOLINT
-        }
-    } else {
-        ElementType::Object(name.to_owned())
-    }
-}
-
 fn filepath_from_declaration_file(
     include_dir_path: impl AsRef<Path>,
     declaration_file: impl AsRef<str>,