diff --git a/mjx/visualizer/svg.py b/mjx/visualizer/svg.py
index 62ba70f0..9e03737d 100644
--- a/mjx/visualizer/svg.py
+++ b/mjx/visualizer/svg.py
@@ -3,7 +3,6 @@
 from typing import List, Optional, Tuple, Union
 
 import svgwrite
-from IPython.display import display_svg
 from svgwrite.drawing import Drawing
 
 import mjx.visualizer
@@ -1031,6 +1030,8 @@ def show_svg(
 
     if "ipykernel" in sys.modules:
         # Jupyter Notebook
+        from IPython.display import display_svg
+
         display_svg(dwg.tostring(), raw=True)
     else:
         sys.stdout.write("This function only works in Jupyter Notebook.")
diff --git a/mjx/visualizer/visualizer.py b/mjx/visualizer/visualizer.py
index 8996d66f..8b7b886b 100644
--- a/mjx/visualizer/visualizer.py
+++ b/mjx/visualizer/visualizer.py
@@ -6,10 +6,6 @@
 from typing import List, Optional, Union
 
 from google.protobuf import json_format
-from rich.console import Console
-from rich.layout import Layout
-from rich.panel import Panel
-from rich.text import Text
 
 import mjxproto
 from mjx.action import Action
@@ -562,6 +558,8 @@ def __init__(self, config: GameVisualConfig):
         self.config = config
 
     def get_layout(self):
+        from rich.layout import Layout
+
         layout = Layout()
         if self.config.show_name:
             layout.split_column(
@@ -955,6 +953,10 @@ def show_by_text(self, table: MahjongTable) -> str:
         return board_info + "".join(players_info)
 
     def show_by_rich(self, table: MahjongTable) -> None:
+        from rich.console import Console
+        from rich.panel import Panel
+        from rich.text import Text
+
         layout = self.get_layout()
 
         layout["info"].update(
diff --git a/requirements-dev.txt b/requirements-dev.txt
index fef2395f..703e7d61 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,3 +7,6 @@ flake8
 mypy
 mypy-protobuf
 types-protobuf
+matplotlib
+ipython
+rich
diff --git a/requirements.txt b/requirements.txt
index bb9b3637..9ec3e0e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,7 @@
 google==3.0.0
 protobuf==3.17.3
 grpcio==1.39.0
-rich==10.9.0
 numpy
 pillow
 svgwrite
 inquirer
-matplotlib
-ipython
diff --git a/setup.py b/setup.py
index 1aebb6ad..32169543 100644
--- a/setup.py
+++ b/setup.py
@@ -155,12 +155,10 @@ def build_extension(self, ext):
         "google==3.0.0",
         "protobuf==3.17.3",
         "grpcio==1.39.0",
-        "rich==10.9.0",
         "numpy",
         "pillow",
         "svgwrite",
         "inquirer",
-        "ipython",
     ],
     extras_require={"test": ["pytest"]},
     include_package_data=True,
diff --git a/tests_py/test_visualizer.py b/tests_py/test_visualizer.py
index 9a77013f..cfe4f07f 100644
--- a/tests_py/test_visualizer.py
+++ b/tests_py/test_visualizer.py
@@ -21,12 +21,12 @@ def test_visualizer():
             if show:
                 board_visualizer.print(mahjong_table)
 
-    board_visualizer = GameBoardVisualizer(GameVisualConfig(rich=True))
-    for file in files:
-        proto_data_list = MahjongTable.load_proto_data(file)
-        for proto_data in proto_data_list:
-            mahjong_table = MahjongTable.from_proto(proto_data)
-            assert isinstance(mahjong_table, MahjongTable)
-            assert 4 == len(mahjong_table.players)
-            if show:
-                board_visualizer.print(mahjong_table)
+    # board_visualizer = GameBoardVisualizer(GameVisualConfig(rich=True))
+    # for file in files:
+    #     proto_data_list = MahjongTable.load_proto_data(file)
+    #     for proto_data in proto_data_list:
+    #         mahjong_table = MahjongTable.from_proto(proto_data)
+    #         assert isinstance(mahjong_table, MahjongTable)
+    #         assert 4 == len(mahjong_table.players)
+    #         if show:
+    #             board_visualizer.print(mahjong_table)