diff --git a/src/ast/cells.nim b/src/ast/cells.nim
index abbc432a..fb88528a 100644
--- a/src/ast/cells.nim
+++ b/src/ast/cells.nim
@@ -25,11 +25,11 @@ type
     noSpaceLeft*: bool
     noSpaceRight*: bool
 
-  Cell* = ref object of RootObj
+  Cell* {.acyclic.} = ref object of RootObj
     when defined(js):
       aDebug*: cstring
     id*: CellId
-    parent*: Cell
+    parent* {.cursor.}: Cell
     flags*: CellFlags
     node*: AstNode
     referenceNode*: AstNode
@@ -67,7 +67,7 @@ type
     cells*: Table[CellId, Cell]
     builder*: CellBuilder
 
-  CollectionCell* = ref object of Cell
+  CollectionCell* {.acyclic.} = ref object of Cell
     uiFlags*: UINodeFlags
     inline*: bool
     children*: seq[Cell]
diff --git a/src/ast/model.nim b/src/ast/model.nim
index 48acd704..794dd159 100644
--- a/src/ast/model.nim
+++ b/src/ast/model.nim
@@ -83,7 +83,7 @@ type
     class*: ClassId
 
     registryIndex: int32 # Index in the global node registry (0 if not registered)
-    model*: Model # gets set when inserted into a parent node which is in a model, or when inserted into a model
+    model* {.cursor.}: Model # gets set when inserted into a parent node which is in a model, or when inserted into a model
     parent* {.cursor.}: AstNode # gets set when inserted into a parent node
     role*: RoleId # gets set when inserted into a parent node