diff --git a/lyra-ecs/src/archetype.rs b/lyra-ecs/src/archetype.rs
index e6853ec..d9577db 100644
--- a/lyra-ecs/src/archetype.rs
+++ b/lyra-ecs/src/archetype.rs
@@ -18,9 +18,8 @@ impl Drop for ComponentColumn {
         let data = data.as_ptr();
 
         unsafe {
-            // layout of current alloc
-            let layout = Layout::from_size_align_unchecked(self.info.layout.size() * self.capacity,
-                self.info.layout.align());
+            // TODO: trigger drop on the components
+            let layout = self.info.layout();
             dealloc(data, layout);
         }
     }
@@ -42,7 +41,7 @@ impl ComponentColumn {
     }
 
     pub unsafe fn new(info: ComponentInfo, capacity: usize) -> Self {
-        let data = ComponentColumn::alloc(info.layout, capacity);
+        let data = ComponentColumn::alloc(info.layout(), capacity);
         
         Self {
             data: RefCell::new(data),
@@ -64,7 +63,7 @@ impl ComponentColumn {
         let mut data = self.data.borrow_mut();
         let data = data.deref_mut();
         
-        let size = self.info.layout.size();
+        let size = self.info.layout().size();
         let dest = NonNull::new_unchecked(data.as_ptr().add(entity_index * size));
         ptr::copy_nonoverlapping(comp_src.as_ptr(), dest.as_ptr(), size);
 
@@ -87,27 +86,28 @@ impl ComponentColumn {
 
         Ref::map(data, |data| {
             let ptr = NonNull::new_unchecked(data.as_ptr()
-                .add(entity_index * self.info.layout.size()))
+                .add(entity_index * self.info.layout().size()))
                 .cast();
             &*ptr.as_ptr()
         })
     }
 
-    /// Get a component at an entities index.
+    /// Get a mutable borrow to the component at an entities index, ticking the entity.
     /// 
     /// # Safety
     /// 
     /// This column must have the entity.
-    pub unsafe fn get_mut<T>(&mut self, entity_index: usize, tick: &Tick) -> &mut T {
+    pub unsafe fn get_mut<T>(&mut self, entity_index: usize, tick: &Tick) -> RefMut<T> {
         self.entity_ticks[entity_index].tick_to(tick);
 
-        let mut data = self.data.borrow_mut();
-        let data = data.deref_mut();
+        let data = self.data.borrow_mut();
 
-        let p = data.as_ptr()
-            .cast::<T>()
-            .add(entity_index * self.info.layout.size());
-        &mut *p
+        RefMut::map(data, |data| {
+            let ptr = NonNull::new_unchecked(data.as_ptr()
+                .add(entity_index * self.info.layout().size()))
+                .cast();
+            &mut *ptr.as_ptr()
+        })
     }
 
     /// Grow the column to fit `new_capacity` amount of components.
@@ -125,17 +125,19 @@ impl ComponentColumn {
 
         let mut data = self.data.borrow_mut();
 
-        let mut new_ptr = Self::alloc(self.info.layout, new_capacity);
+        let layout = self.info.layout();
+        let mut new_ptr = Self::alloc(layout, new_capacity);
 
         if self.len > 0 {
-            ptr::copy_nonoverlapping(data.as_ptr(), new_ptr.as_ptr(), self.len * self.info.layout.size());
+            ptr::copy_nonoverlapping(data.as_ptr(), new_ptr.as_ptr(), self.len * layout.size());
         }
 
         // dont attempt to free if we weren't able to store anything anyway
         if self.capacity != 0 {
+            // create a layout with the same alignment, but expand the size of the buffer.
             let old_layout = Layout::from_size_align_unchecked(
-                self.info.layout.size().checked_mul(self.capacity).unwrap(),
-                self.info.layout.align()
+                layout.size().checked_mul(self.capacity).unwrap(),
+                layout.align()
             );
 
             mem::swap(data.deref_mut(), &mut new_ptr);
@@ -154,7 +156,7 @@ impl ComponentColumn {
         let mut data = self.data.borrow_mut();
         let data = data.deref_mut();
 
-        let size = self.info.layout.size();
+        let size = self.info.layout().size();
         let mut old_comp_ptr = NonNull::new_unchecked(data.as_ptr()
             .add(entity_index * size));
 
@@ -328,13 +330,14 @@ impl Archetype {
     /// Returns a boolean indicating whether this archetype can store the TypeIds given
     pub fn is_archetype_for(&self, types: &Vec<DynTypeId>) -> bool {
         if types.len() == self.columns.len() {
-            self.columns.iter().all(|c| types.contains(&c.info.type_id))
+            self.columns.iter().all(|c| types.contains(&c.info.type_id()))
         } else { false }
     }
 
     /// Returns a boolean indicating whether this archetype has a column for `comp_type`
-    pub fn has_column(&self, comp_type: DynTypeId) -> bool {
-        self.columns.iter().any(|c| comp_type == c.info.type_id)
+    pub fn has_column<I: Into<DynTypeId>>(&self, comp_type: I) -> bool {
+        let comp_type = comp_type.into();
+        self.columns.iter().any(|c| comp_type == c.info.type_id())
     }
 
     /// Returns a boolean indicating whether this archetype is empty or not.
@@ -368,7 +371,7 @@ impl Archetype {
     /// Attempts to find the column storing components of `type_id`
     pub fn get_column<I: Into<DynTypeId>>(&self, type_id: I) -> Option<&ComponentColumn> {
         let type_id = type_id.into();
-        self.columns.iter().find(|c| c.info.type_id == type_id)
+        self.columns.iter().find(|c| c.info.type_id() == type_id)
     }
 
     /// Returns a mutable borrow to a component column for `type_id`.
@@ -376,7 +379,7 @@ impl Archetype {
     /// Note: This does not modify the tick for the column!
     pub fn get_column_mut<I: Into<DynTypeId>>(&mut self, type_id: I) -> Option<&mut ComponentColumn> {
         let type_id = type_id.into();
-        self.columns.iter_mut().find(|c| c.info.type_id == type_id)
+        self.columns.iter_mut().find(|c| c.info.type_id() == type_id)
     }
 
     /// Reserves a slot in the columns for an entity and returns the index of that reserved spot
diff --git a/lyra-ecs/src/bundle.rs b/lyra-ecs/src/bundle.rs
index 85bc4ae..31d1952 100644
--- a/lyra-ecs/src/bundle.rs
+++ b/lyra-ecs/src/bundle.rs
@@ -143,7 +143,7 @@ impl DynamicBundle {
 
 impl Bundle for DynamicBundle {
     fn type_ids(&self) -> Vec<DynTypeId> {
-        self.bundle.iter().map(|b| b.1.type_id).collect()
+        self.bundle.iter().map(|b| b.1.type_id()).collect()
     }
 
     fn info(&self) -> Vec<ComponentInfo> {
@@ -152,7 +152,7 @@ impl Bundle for DynamicBundle {
 
     fn take(self, mut f: impl FnMut(NonNull<u8>, DynTypeId, usize)) {
         for (data, info) in self.bundle.iter() {
-            f(*data, info.type_id, info.layout.size());
+            f(*data, info.type_id(), info.layout().size());
         }
     }
 
diff --git a/lyra-ecs/src/component_info.rs b/lyra-ecs/src/component_info.rs
index a819f72..e363494 100644
--- a/lyra-ecs/src/component_info.rs
+++ b/lyra-ecs/src/component_info.rs
@@ -54,8 +54,8 @@ impl DynTypeId {
 /// Some information about a component.
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
 pub struct ComponentInfo {
-    pub type_id: DynTypeId,
-    pub(crate) layout: Layout,
+    type_id: DynTypeId,
+    layout: Layout,
 }
 
 impl ComponentInfo {
@@ -77,4 +77,12 @@ impl ComponentInfo {
             layout,
         }
     }
+    
+    pub fn type_id(&self) -> DynTypeId {
+        self.type_id
+    }
+
+    pub fn layout(&self) -> Layout {
+        self.layout
+    }
 }
\ No newline at end of file
diff --git a/lyra-ecs/src/query/borrow.rs b/lyra-ecs/src/query/borrow.rs
index f1cc5de..d5a1493 100644
--- a/lyra-ecs/src/query/borrow.rs
+++ b/lyra-ecs/src/query/borrow.rs
@@ -1,13 +1,12 @@
 use std::{marker::PhantomData, ptr::NonNull, cell::{Ref, RefMut}};
 
-use crate::{world::World, ComponentColumn, DynTypeId, Tick, Component};
+use crate::{World, ComponentColumn, DynTypeId, Tick, Component};
 
 use super::{Fetch, Query, AsQuery};
 
 /// Fetcher for borrowing components from archetypes.
 pub struct FetchBorrow<'a, T> {
     col: &'a ComponentColumn,
-    size: usize,
     _phantom: PhantomData<&'a T>
 }
 
@@ -22,13 +21,7 @@ where
     }
 
     unsafe fn get_item(&mut self, entity: crate::world::ArchetypeEntityId) -> Self::Item {
-        let ptr = self.col.borrow_ptr();
-        Ref::map(ptr, |ptr| {
-            let ptr = NonNull::new_unchecked(ptr.as_ptr()
-                .add(entity.0 as usize * self.size))
-                .cast();
-            &*ptr.as_ptr()
-        })
+        self.col.get(entity.0 as _)
     }
 }
 
@@ -81,17 +74,16 @@ where
     }
 
     fn can_visit_archetype(&self, archetype: &crate::archetype::Archetype) -> bool {
-        archetype.columns.iter().any(|c| c.info.type_id == self.type_id)
+        archetype.has_column(self.type_id)
     }
 
     unsafe fn fetch<'a>(&self, _world: &'a World, archetype: &'a crate::archetype::Archetype, tick: crate::Tick) -> Self::Fetch<'a> {
         let _ = tick;
-        let col = archetype.columns.iter().find(|c| c.info.type_id == self.type_id)
+        let col = archetype.get_column(self.type_id)
             .expect("You ignored 'can_visit_archetype'!");
 
         FetchBorrow {
             col,
-            size: col.info.layout.size(),
             _phantom: PhantomData,
         }
     }
@@ -108,7 +100,6 @@ impl<T: Component> AsQuery for &T {
 /// A fetcher for mutably borrowing components from archetypes.
 pub struct FetchBorrowMut<'a, T> {
     col: NonNull<ComponentColumn>,
-    size: usize,
     tick: Tick,
     _phantom: PhantomData<&'a T>
 }
@@ -125,15 +116,7 @@ where
 
     unsafe fn get_item(&mut self, entity: crate::world::ArchetypeEntityId) -> Self::Item {
         let col = unsafe { self.col.as_mut() };
-        col.entity_ticks[entity.0 as usize] = self.tick;
-        let ptr = col.borrow_mut_ptr();
-
-        RefMut::map(ptr, |ptr| {
-            let ptr = NonNull::new_unchecked(ptr.as_ptr()
-                .add(entity.0 as usize * self.size))
-                .cast();
-            &mut *ptr.as_ptr()
-        })
+        col.get_mut(entity.0 as _, &self.tick)
     }
 }
 
@@ -188,13 +171,12 @@ where
     }
 
     fn can_visit_archetype(&self, archetype: &crate::archetype::Archetype) -> bool {
-        archetype.columns.iter().any(|c| c.info.type_id == self.type_id)
+        archetype.has_column(self.type_id)
     }
 
     unsafe fn fetch<'a>(&self, _world: &'a World, archetype: &'a crate::archetype::Archetype, tick: crate::Tick) -> Self::Fetch<'a> {
-        let col = archetype.columns.iter().find(|c| c.info.type_id == self.type_id)
+        let col = archetype.get_column(self.type_id)
             .expect("You ignored 'can_visit_archetype'!");
-        let layout_size = col.info.layout.size();
         let col = NonNull::from(col);
 
         // TODO: find a way to get the component column mutable with a borrowed archetype so its tick can be updated.
@@ -202,7 +184,6 @@ where
 
         FetchBorrowMut {
             col,
-            size: layout_size,
             tick,
             _phantom: PhantomData,
         }
@@ -219,9 +200,9 @@ impl<T: Component> AsQuery for &mut T {
 
 #[cfg(test)]
 mod tests {
-    use std::{mem::size_of, marker::PhantomData, ptr::NonNull};
+    use std::{marker::PhantomData, ptr::NonNull};
 
-    use crate::{archetype::{Archetype, ArchetypeId}, bundle::Bundle, query::{Fetch, ViewState}, tests::Vec2, world::World, DynTypeId, Entity, EntityId, Tick};
+    use crate::{archetype::{Archetype, ArchetypeId}, bundle::Bundle, query::{Fetch, ViewState}, tests::Vec2, World, DynTypeId, Entity, EntityId, Tick};
 
     use super::{QueryBorrow, QueryBorrowMut, FetchBorrowMut};
 
@@ -298,12 +279,11 @@ mod tests {
             }, (Vec2::rand(),), &Tick::default());
         }
 
-        let col = a.columns.iter().find(|c| c.info.type_id == DynTypeId::of::<Vec2>()).unwrap();
+        let col = a.get_column(DynTypeId::of::<Vec2>()).unwrap();
 
         let mut bmut = FetchBorrowMut::<Vec2> {
             col: NonNull::from(col),
             tick: Tick::default(),
-            size: size_of::<Vec2>(),
             _phantom: PhantomData,
         };
         let item = unsafe { bmut.get_item(crate::ArchetypeEntityId(0)) };
diff --git a/lyra-ecs/src/query/dynamic/mod.rs b/lyra-ecs/src/query/dynamic/mod.rs
index 9ef43fc..7d0a343 100644
--- a/lyra-ecs/src/query/dynamic/mod.rs
+++ b/lyra-ecs/src/query/dynamic/mod.rs
@@ -1,6 +1,6 @@
 use std::ptr::NonNull;
 
-use crate::{world::World, ComponentColumn, ComponentInfo};
+use crate::{World, ComponentColumn, ComponentInfo};
 
 mod view;
 pub use view::*;
@@ -15,7 +15,7 @@ pub struct DynamicType {
 
 impl DynamicType {
     pub fn is<T: 'static>(&self) -> bool {
-        self.info.type_id.is::<T>()
+        self.info.type_id().is::<T>()
     }
 }
 
@@ -38,7 +38,7 @@ impl<'a> Fetch<'a> for FetchDynamicType<'a> {
     unsafe fn get_item(&mut self, entity: crate::ArchetypeEntityId) -> Self::Item {
         let ptr = self.col.borrow_ptr();
         let ptr = NonNull::new_unchecked(ptr.as_ptr()
-            .add(entity.0 as usize * self.info.layout.size()));
+            .add(entity.0 as usize * self.info.layout().size()));
 
         DynamicType {
             info: self.info,
@@ -63,11 +63,11 @@ impl QueryDynamicType {
     }
 
     pub fn can_visit_archetype(&self, archetype: &crate::archetype::Archetype) -> bool {
-        archetype.has_column(self.info.type_id)
+        archetype.has_column(self.info.type_id())
     }
 
     pub unsafe fn fetch<'a>(&self, _world: &'a World, _arch_id: crate::archetype::ArchetypeId, archetype: &'a crate::archetype::Archetype) -> FetchDynamicType<'a> {
-        let col = archetype.columns.iter().find(|c| c.info.type_id == self.info.type_id)
+        let col = archetype.get_column(self.info.type_id())
             .expect("You ignored 'can_visit_archetype'!");
 
         FetchDynamicType {
diff --git a/lyra-ecs/src/query/dynamic/view.rs b/lyra-ecs/src/query/dynamic/view.rs
index e2cbd8c..107a429 100644
--- a/lyra-ecs/src/query/dynamic/view.rs
+++ b/lyra-ecs/src/query/dynamic/view.rs
@@ -1,6 +1,6 @@
 use std::ops::Range;
 
-use crate::{world::World, Archetype, ArchetypeEntityId, ArchetypeId, query::Fetch};
+use crate::{World, Archetype, ArchetypeEntityId, ArchetypeId, query::Fetch};
 
 use super::{QueryDynamicType, FetchDynamicType, DynamicType};
 
@@ -104,7 +104,7 @@ impl<'a> Iterator for DynamicViewIter<'a> {
 mod tests {
     use std::{alloc::Layout, ptr::NonNull};
 
-    use crate::{world::World, ComponentInfo, DynTypeId, DynamicBundle, query::dynamic::QueryDynamicType};
+    use crate::{World, ComponentInfo, DynTypeId, DynamicBundle, query::dynamic::QueryDynamicType};
 
     use super::DynamicView;
 
diff --git a/lyra-ecs/src/query/entities.rs b/lyra-ecs/src/query/entities.rs
index 95f2137..9f2cef6 100644
--- a/lyra-ecs/src/query/entities.rs
+++ b/lyra-ecs/src/query/entities.rs
@@ -1,4 +1,4 @@
-use crate::{archetype::Archetype, world::World, Entity};
+use crate::{archetype::Archetype, World, Entity};
 
 use super::{Fetch, Query, AsQuery};
 
diff --git a/lyra-ecs/src/query/mod.rs b/lyra-ecs/src/query/mod.rs
index 02c5e62..a71e5c8 100644
--- a/lyra-ecs/src/query/mod.rs
+++ b/lyra-ecs/src/query/mod.rs
@@ -125,7 +125,7 @@ impl AsQuery for () {
 
 #[cfg(test)]
 mod tests {
-    use crate::{world::World, archetype::Archetype, tests::Vec2};
+    use crate::{World, archetype::Archetype, tests::Vec2};
 
     use super::{ViewState, Entities};
 
diff --git a/lyra-ecs/src/query/resource.rs b/lyra-ecs/src/query/resource.rs
index 1f20667..328f2b2 100644
--- a/lyra-ecs/src/query/resource.rs
+++ b/lyra-ecs/src/query/resource.rs
@@ -1,6 +1,6 @@
 use std::{marker::PhantomData, cell::{Ref, RefMut}};
 
-use crate::{world::World, resource::ResourceObject};
+use crate::{World, resource::ResourceObject};
 
 use super::{Query, Fetch, AsQuery};
 
@@ -192,7 +192,7 @@ impl<'a, T: ResourceObject> AsQuery for ResMut<'a, T> {
 mod tests {
     use std::ops::{Deref, DerefMut};
 
-    use crate::{query::{Res, ResMut}, tests::{Vec2, Vec3}, world::World};
+    use crate::{query::{Res, ResMut}, tests::{Vec2, Vec3}, World};
 
     struct SomeCounter(u32);
 
diff --git a/lyra-ecs/src/query/tick.rs b/lyra-ecs/src/query/tick.rs
index f2f4376..b942c79 100644
--- a/lyra-ecs/src/query/tick.rs
+++ b/lyra-ecs/src/query/tick.rs
@@ -1,6 +1,6 @@
 use std::marker::PhantomData;
 
-use crate::{ComponentColumn, Tick, DynTypeId, world::World};
+use crate::{ComponentColumn, Tick, DynTypeId, World};
 
 use super::{Query, Fetch, AsQuery};
 
@@ -90,11 +90,11 @@ where
     }
 
     fn can_visit_archetype(&self, archetype: &crate::archetype::Archetype) -> bool {
-        archetype.columns.iter().any(|c| c.info.type_id == self.type_id)
+        archetype.has_column(self.type_id)
     }
 
     unsafe fn fetch<'a>(&self, _world: &'a World, archetype: &'a crate::archetype::Archetype, _tick: crate::Tick) -> Self::Fetch<'a> {
-        let col = archetype.columns.iter().find(|c| c.info.type_id == self.type_id)
+        let col = archetype.get_column(self.type_id)
             .expect("You ignored 'can_visit_archetype'!");
 
         FetchTickOf {
diff --git a/lyra-ecs/src/query/tuple.rs b/lyra-ecs/src/query/tuple.rs
index 13ab692..2d423cb 100644
--- a/lyra-ecs/src/query/tuple.rs
+++ b/lyra-ecs/src/query/tuple.rs
@@ -1,4 +1,4 @@
-use crate::world::World;
+use crate::World;
 
 use super::{Query, Fetch, AsQuery};
 
@@ -175,7 +175,7 @@ impl_bundle_tuple! { Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14
 
 #[cfg(test)]
 mod tests {
-    use crate::{world::World, tests::{Vec2, Vec3}};
+    use crate::{World, tests::{Vec2, Vec3}};
 
     #[test]
     fn tuple_queries() {
diff --git a/lyra-ecs/src/relation/relate_pair.rs b/lyra-ecs/src/relation/relate_pair.rs
index 1ab8f96..429554e 100644
--- a/lyra-ecs/src/relation/relate_pair.rs
+++ b/lyra-ecs/src/relation/relate_pair.rs
@@ -1,4 +1,4 @@
-use std::{any::TypeId, cell::Ref, marker::PhantomData};
+use std::{any::{Any, TypeId}, cell::Ref, marker::PhantomData};
 
 use crate::{query::{AsQuery, Fetch, Query}, Archetype, ComponentColumn, Entity, World};
 
@@ -69,8 +69,7 @@ where
 
     unsafe fn fetch<'a>(&self, _world: &'a World, archetype: &'a crate::archetype::Archetype, tick: crate::Tick) -> Self::Fetch<'a> {
         let _ = tick;
-        let tyid = crate::DynTypeId::Rust(TypeId::of::<RelationOriginComponent<R>>());
-        let col = archetype.columns.iter().find(|c| c.info.type_id == tyid)
+        let col = archetype.get_column(self.type_id())
             .expect("You ignored 'can_visit_archetype'!");
 
         FetchRelatePair {
diff --git a/lyra-ecs/src/relation/relates_to.rs b/lyra-ecs/src/relation/relates_to.rs
index e6588f6..ad04311 100644
--- a/lyra-ecs/src/relation/relates_to.rs
+++ b/lyra-ecs/src/relation/relates_to.rs
@@ -70,14 +70,12 @@ where
     }
 
     fn can_visit_archetype(&self, archetype: &crate::archetype::Archetype) -> bool {
-        let tyid = crate::DynTypeId::Rust(TypeId::of::<RelationOriginComponent<R>>());
-        archetype.has_column(tyid)
+        archetype.has_column(TypeId::of::<RelationOriginComponent<R>>())
     }
 
     unsafe fn fetch<'a>(&self, _world: &'a World, archetype: &'a crate::archetype::Archetype, tick: crate::Tick) -> Self::Fetch<'a> {
         let _ = tick;
-        let tyid = crate::DynTypeId::Rust(TypeId::of::<RelationOriginComponent<R>>());
-        let col = archetype.columns.iter().find(|c| c.info.type_id == tyid)
+        let col = archetype.get_column(TypeId::of::<RelationOriginComponent<R>>())
             .expect("You ignored 'can_visit_archetype'!");
 
         FetchRelatesTo {
diff --git a/lyra-ecs/src/system/batched.rs b/lyra-ecs/src/system/batched.rs
index d924d0f..73a945c 100644
--- a/lyra-ecs/src/system/batched.rs
+++ b/lyra-ecs/src/system/batched.rs
@@ -1,4 +1,4 @@
-use lyra_ecs::world::World;
+use lyra_ecs::World;
 
 use crate::Access;
 
diff --git a/lyra-ecs/src/system/criteria.rs b/lyra-ecs/src/system/criteria.rs
index e7dcf07..d0a2868 100644
--- a/lyra-ecs/src/system/criteria.rs
+++ b/lyra-ecs/src/system/criteria.rs
@@ -1,6 +1,6 @@
 use std::ptr::NonNull;
 
-use lyra_ecs::world::World;
+use lyra_ecs::World;
 
 /// An enum that is used to control if the Criteria was met or not.
 #[derive(Clone, Copy, Debug, Hash, PartialEq, Eq, PartialOrd, Ord)]
diff --git a/lyra-ecs/src/system/fn_sys.rs b/lyra-ecs/src/system/fn_sys.rs
index b9079fd..c768161 100644
--- a/lyra-ecs/src/system/fn_sys.rs
+++ b/lyra-ecs/src/system/fn_sys.rs
@@ -1,7 +1,7 @@
 use std::{any::Any, marker::PhantomData, ptr::NonNull};
 
 use paste::paste;
-use crate::{world::World, Access, ResourceObject, query::{Query, ViewState, ResMut, Res}};
+use crate::{World, Access, ResourceObject, query::{Query, ViewState, ResMut, Res}};
 
 use super::{System, IntoSystem};
 
@@ -239,7 +239,7 @@ impl<R: ResourceObject> FnArgFetcher for ResMut<'_, R> {
 mod tests {
     use std::ptr::NonNull;
 
-    use crate::{tests::{Vec2, Vec3}, world::World, query::{QueryBorrow, ViewState, ResMut}};
+    use crate::{tests::{Vec2, Vec3}, World, query::{QueryBorrow, ViewState, ResMut}};
     use super::{System, IntoSystem};
 
     struct SomeCounter(u32);
diff --git a/lyra-ecs/src/system/graph.rs b/lyra-ecs/src/system/graph.rs
index 4dd9044..73fbc17 100644
--- a/lyra-ecs/src/system/graph.rs
+++ b/lyra-ecs/src/system/graph.rs
@@ -2,7 +2,7 @@ use std::{collections::{HashMap, VecDeque, HashSet}, ptr::NonNull};
 
 use super::System;
 
-use crate::{world::World, CommandQueue, Commands};
+use crate::{World, CommandQueue, Commands};
 
 #[derive(thiserror::Error, Debug)]
 pub enum GraphExecutorError {
@@ -140,7 +140,7 @@ impl GraphExecutor {
 mod tests {
     use std::ptr::NonNull;
 
-    use crate::{query::{ResMut, View}, system::IntoSystem, world::World};
+    use crate::{query::{ResMut, View}, system::IntoSystem, World};
 
     use super::GraphExecutor;
 
diff --git a/lyra-ecs/src/system/mod.rs b/lyra-ecs/src/system/mod.rs
index 0471b89..625a166 100644
--- a/lyra-ecs/src/system/mod.rs
+++ b/lyra-ecs/src/system/mod.rs
@@ -1,6 +1,6 @@
 use std::ptr::NonNull;
 
-use crate::{world::World, Access};
+use crate::{World, Access};
 
 mod graph;
 pub use graph::*;
diff --git a/lyra-ecs/src/world.rs b/lyra-ecs/src/world.rs
index bc38646..6ea08a6 100644
--- a/lyra-ecs/src/world.rs
+++ b/lyra-ecs/src/world.rs
@@ -143,7 +143,7 @@ impl World {
         let record = self.entities.entity_record(entity).unwrap();
         let current_arch = self.archetypes.get(&record.id).unwrap();
         
-        let mut col_types: Vec<DynTypeId> = current_arch.columns.iter().map(|c| c.info.type_id).collect();
+        let mut col_types: Vec<DynTypeId> = current_arch.columns.iter().map(|c| c.info.type_id()).collect();
         let orig_col = col_types.clone();
         col_types.extend(bundle.type_ids());
         
@@ -158,7 +158,7 @@ impl World {
             for (col_type, (col_ptr, col_info)) in orig_col.into_iter().zip(col_ptrs.into_iter()) {
                 unsafe {
                     let ptr = NonNull::new_unchecked(col_ptr.as_ptr()
-                        .add(res_index.0 as usize * col_info.layout.size()));
+                        .add(res_index.0 as usize * col_info.layout().size()));
                     let col = arch.get_column_mut(col_type).unwrap();
                     col.set_at(res_index.0 as _, ptr, tick);
                 }