diff --git a/ipywatch/history.py b/ipywatch/history.py
index 94a7670..d66c778 100644
--- a/ipywatch/history.py
+++ b/ipywatch/history.py
@@ -5,7 +5,7 @@
 
 # %% ../nbs/02_widget_history.ipynb 3
 from collections import deque
-from typing import Any, Deque, Dict, Iterator
+from typing import Any, Dict, Iterator
 
 # %% ../nbs/02_widget_history.ipynb 4
 class WidgetStateHistory:
diff --git a/nbs/00_comm.ipynb b/nbs/00_comm.ipynb
index 1fe6ed0..d055cec 100644
--- a/nbs/00_comm.ipynb
+++ b/nbs/00_comm.ipynb
@@ -16,6 +16,8 @@
    "outputs": [],
    "source": [
     "#| hide\n",
+    "from IPython.display import display\n",
+    "\n",
     "import solara\n",
     "import ipywidgets as widgets\n",
     "from ipywidgets.widgets import widget as widget_module\n",
diff --git a/nbs/01_reacton.ipynb b/nbs/01_reacton.ipynb
index de4d2b0..68be90e 100644
--- a/nbs/01_reacton.ipynb
+++ b/nbs/01_reacton.ipynb
@@ -16,13 +16,10 @@
    "outputs": [],
    "source": [
     "#| hide\n",
-    "from typing import Optional\n",
     "\n",
     "import solara\n",
-    "import reacton as react\n",
     "import ipywidgets as widgets\n",
-    "from reacton import ipywidgets as react_widgets\n",
-    "from reacton.core import _RenderContext, ComponentContext, Element"
+    "from reacton.core import _RenderContext, Element"
    ]
   },
   {
diff --git a/nbs/02_widget_history.ipynb b/nbs/02_widget_history.ipynb
index 3399789..6923ba9 100644
--- a/nbs/02_widget_history.ipynb
+++ b/nbs/02_widget_history.ipynb
@@ -35,7 +35,7 @@
    "source": [
     "#| exporti\n",
     "from collections import deque\n",
-    "from typing import Any, Deque, Dict, Iterator"
+    "from typing import Any, Dict, Iterator"
    ]
   },
   {