diff --git a/metagpt/tools/tool_type.py b/metagpt/tools/tool_type.py
deleted file mode 100644
index 093a69bf7..000000000
--- a/metagpt/tools/tool_type.py
+++ /dev/null
@@ -1,65 +0,0 @@
-from enum import Enum
-
-from metagpt.prompts.tool_types import (
-    DATA_PREPROCESS_PROMPT,
-    EDA_PROMPT,
-    FEATURE_ENGINEERING_PROMPT,
-    IMAGE2WEBPAGE_PROMPT,
-    MODEL_EVALUATE_PROMPT,
-    MODEL_TRAIN_PROMPT,
-)
-from metagpt.tools.tool_data_type import ToolTypeDef
-
-
-class ToolType(Enum):
-    EDA = ToolTypeDef(
-        name="eda",
-        desc="For performing exploratory data analysis",
-        usage_prompt=EDA_PROMPT,
-    )
-    DATA_PREPROCESS = ToolTypeDef(
-        name="data_preprocess",
-        desc="For preprocessing dataset in a data analysis or machine learning task ONLY,"
-        "general data operation doesn't fall into this type",
-        usage_prompt=DATA_PREPROCESS_PROMPT,
-    )
-    EMAIL_LOGIN = ToolTypeDef(
-        name="email_login",
-        desc="For logging to an email.",
-    )
-    FEATURE_ENGINEERING = ToolTypeDef(
-        name="feature_engineering",
-        desc="Only for creating new columns for input data.",
-        usage_prompt=FEATURE_ENGINEERING_PROMPT,
-    )
-    MODEL_TRAIN = ToolTypeDef(
-        name="model_train",
-        desc="Only for training model.",
-        usage_prompt=MODEL_TRAIN_PROMPT,
-    )
-    MODEL_EVALUATE = ToolTypeDef(
-        name="model_evaluate",
-        desc="Only for evaluating model.",
-        usage_prompt=MODEL_EVALUATE_PROMPT,
-    )
-    STABLE_DIFFUSION = ToolTypeDef(
-        name="stable_diffusion",
-        desc="Related to text2image, image2image using stable diffusion model.",
-    )
-    IMAGE2WEBPAGE = ToolTypeDef(
-        name="image2webpage",
-        desc="For converting image into webpage code.",
-        usage_prompt=IMAGE2WEBPAGE_PROMPT,
-    )
-    WEBSCRAPING = ToolTypeDef(
-        name="web_scraping",
-        desc="For scraping data from web pages.",
-    )
-    OTHER = ToolTypeDef(name="other", desc="Any tools not in the defined categories")
-
-    def __missing__(self, key):
-        return self.OTHER
-
-    @property
-    def type_name(self):
-        return self.value.name