diff --git a/src/controller/http/external_channels.py b/src/controller/http/external_channels.py
index 6795b12..087ec30 100644
--- a/src/controller/http/external_channels.py
+++ b/src/controller/http/external_channels.py
@@ -1,7 +1,7 @@
 import uuid
 from typing import Annotated
 
-from fastapi import Depends, File, UploadFile
+from fastapi import Depends
 from fastapi.routing import APIRouter
 
 from src import dependencies, dto
@@ -80,25 +80,3 @@ async def delete_external_channel(
     )
 
     await dependencies.get_usecase().delete_external_channel(input=input)
-
-
-@external_channels_router.post('/import/{target_channel_id}')
-async def import_external_channels(
-    target_channel_id: uuid.UUID,
-    current_user: Annotated[JWTPayload, Depends(dependencies.get_current_user)],
-    file: UploadFile = File(...),
-) -> dto.ImportExternalChannelsOutput:
-    """
-    Import external channels from Excel file (Tgstat export).
-
-    Note: This is a mock endpoint until Excel structure is clarified.
-    """
-    file_content = await file.read()
-
-    input = dto.ImportExternalChannelsInput(
-        target_channel_id=target_channel_id,
-        user_id=current_user.user_id,
-        file_content=file_content,
-    )
-
-    return await dependencies.get_usecase().import_external_channels_from_excel(input=input)
diff --git a/src/dto/__init__.py b/src/dto/__init__.py
index 33438e6..c3b06a5 100644
--- a/src/dto/__init__.py
+++ b/src/dto/__init__.py
@@ -17,8 +17,6 @@ __all__ = (
     'DeleteExternalChannelInput',
     'UpdateExternalChannelInput',
     'UpdateExternalChannelLinksInput',
-    'ImportExternalChannelsInput',
-    'ImportExternalChannelsOutput',
     'CreativeOutput',
     'GetCreativesInput',
     'GetCreativesOutput',
@@ -56,8 +54,6 @@ from .external_channel import (
     ExternalChannelOutput,
     GetExternalChannelsInput,
     GetExternalChannelsOutput,
-    ImportExternalChannelsInput,
-    ImportExternalChannelsOutput,
     UpdateExternalChannelInput,
     UpdateExternalChannelLinksInput,
 )
diff --git a/src/dto/external_channel.py b/src/dto/external_channel.py
index 9f9729d..1453c46 100644
--- a/src/dto/external_channel.py
+++ b/src/dto/external_channel.py
@@ -45,15 +45,3 @@ class UpdateExternalChannelInput(pydantic.BaseModel):
 class UpdateExternalChannelLinksInput(pydantic.BaseModel):
     add_target_channel_ids: list[uuid.UUID] = []
     remove_target_channel_ids: list[uuid.UUID] = []
-
-
-class ImportExternalChannelsInput(pydantic.BaseModel):
-    target_channel_id: uuid.UUID
-    user_id: uuid.UUID
-    file_content: bytes  # Excel file content
-
-
-class ImportExternalChannelsOutput(pydantic.BaseModel):
-    created_count: int
-    skipped_count: int
-    errors: list[str]
diff --git a/src/usecase/__init__.py b/src/usecase/__init__.py
index 40c152d..414ba0c 100644
--- a/src/usecase/__init__.py
+++ b/src/usecase/__init__.py
@@ -13,7 +13,6 @@ from .creative.update_creative import update_creative
 from .external_channel.create_external_channel import create_external_channel
 from .external_channel.delete_external_channel import delete_external_channel
 from .external_channel.get_external_channels import get_external_channels
-from .external_channel.import_external_channels_from_excel import import_external_channels_from_excel
 from .external_channel.update_external_channel import update_external_channel
 from .external_channel.update_external_channel_links import update_external_channel_links
 from .purchase.create_purchase import create_purchase
@@ -168,7 +167,6 @@ class Usecase:
     delete_external_channel = delete_external_channel
     update_external_channel = update_external_channel
     update_external_channel_links = update_external_channel_links
-    import_external_channels_from_excel = import_external_channels_from_excel
     get_creatives = get_creatives
     get_creative = get_creative
     create_creative = create_creative
diff --git a/src/usecase/external_channel/import_external_channels_from_excel.py b/src/usecase/external_channel/import_external_channels_from_excel.py
deleted file mode 100644
index c641d35..0000000
--- a/src/usecase/external_channel/import_external_channels_from_excel.py
+++ /dev/null
@@ -1,41 +0,0 @@
-import logging
-from typing import TYPE_CHECKING
-
-from src import domain, dto
-
-if TYPE_CHECKING:
-    from .. import Usecase
-
-log = logging.getLogger(__name__)
-
-
-async def import_external_channels_from_excel(
-    self: 'Usecase', input: dto.ImportExternalChannelsInput
-) -> dto.ImportExternalChannelsOutput:
-    async with self.database.transaction():
-        target_channel = await self.database.get_target_channel(
-            user_id=input.user_id, channel_id=input.target_channel_id
-        )
-        if not target_channel:
-            log.warning(
-                'User %s attempted to import to unavailable target channel %s', input.user_id, input.target_channel_id
-            )
-            raise domain.TargetChannelNotFound(input.target_channel_id)
-
-        created_count = 0
-        skipped_count = 0
-        errors: list[str] = []
-
-        log.info(
-            'Excel import completed for target %s: %s created, %s skipped, %s errors',
-            input.target_channel_id,
-            created_count,
-            skipped_count,
-            len(errors),
-        )
-
-    return dto.ImportExternalChannelsOutput(
-        created_count=created_count,
-        skipped_count=skipped_count,
-        errors=errors,
-    )