diff --git a/CHANGELOG.md b/CHANGELOG.md
index 34896ac..6999fe3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,7 +11,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Debug environment variable flag.
 - Command to build player data from existing log files.
-- Database migration management with the aerich package.
 
 ### Changed
 
diff --git a/Dockerfile b/Dockerfile
index 9397202..f0e2f8b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,4 +13,4 @@ RUN pip install --no-cache-dir -r requirements.txt
 
 COPY . /app/
 
-CMD ["sh", "-c", "aerich upgrade && python bot.py"]
\ No newline at end of file
+CMD ["python", "bot.py"]
\ No newline at end of file
diff --git a/bot.py b/bot.py
index 60bb677..59a7f4e 100644
--- a/bot.py
+++ b/bot.py
@@ -25,7 +25,7 @@ TORTOISE_ORM = {
     "connections": { "default": f"sqlite://{str(DATA_DIR)}/db.sqlite" },
     "apps": {
         "models": {
-            "models": ["utils.models", "aerich.models"],
+            "models": ["utils.models"],
             "default_connection": "default"
         }
     }
diff --git a/migrations/models/0_20241211195324_init.py b/migrations/models/0_20241211214800_init.py
similarity index 61%
rename from migrations/models/0_20241211195324_init.py
rename to migrations/models/0_20241211214800_init.py
index 4ee23ba..d35ecb2 100644
--- a/migrations/models/0_20241211195324_init.py
+++ b/migrations/models/0_20241211214800_init.py
@@ -3,21 +3,30 @@ from tortoise import BaseDBAsyncClient
 
 async def upgrade(db: BaseDBAsyncClient) -> str:
     return """
-        CREATE TABLE IF NOT EXISTS "players" (
+        CREATE TABLE IF NOT EXISTS "ingame_coordinates" (
+    "id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+    "x" INT NOT NULL,
+    "y" INT NOT NULL,
+    "z" INT NOT NULL
+);
+CREATE TABLE IF NOT EXISTS "players" (
     "id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
     "username" VARCHAR(20) NOT NULL UNIQUE,
-    "last_connection" TIMESTAMP,
-    "last_disconnection" TIMESTAMP,
-    "play_time_seconds" INT NOT NULL  DEFAULT 0,
     "is_dead" INT NOT NULL  DEFAULT 0
 ) /*      */;
 CREATE TABLE IF NOT EXISTS "player_deaths" (
     "id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
-    "coordinate_x" INT NOT NULL,
-    "coordinate_y" INT NOT NULL,
-    "coordinate_z" INT NOT NULL,
     "cause" VARCHAR(32) NOT NULL,
     "timestamp" TIMESTAMP NOT NULL  DEFAULT CURRENT_TIMESTAMP,
+    "coordinates_id" INT NOT NULL REFERENCES "ingame_coordinates" ("id") ON DELETE CASCADE,
+    "player_id" INT NOT NULL REFERENCES "players" ("id") ON DELETE CASCADE
+);
+CREATE TABLE IF NOT EXISTS "player_session" (
+    "id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+    "connected_at" TIMESTAMP NOT NULL,
+    "disconnected_at" TIMESTAMP NOT NULL,
+    "connected_coords_id" INT NOT NULL REFERENCES "ingame_coordinates" ("id") ON DELETE CASCADE,
+    "disconnected_coords_id" INT REFERENCES "ingame_coordinates" ("id") ON DELETE CASCADE,
     "player_id" INT NOT NULL REFERENCES "players" ("id") ON DELETE CASCADE
 );
 CREATE TABLE IF NOT EXISTS "steam_profile_summary" (
diff --git a/requirements.txt b/requirements.txt
index 805a5c5..a60c0be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,3 @@
-aerich==0.8.0
 aiofiles==24.1.0
 aiohappyeyeballs==2.4.4
 aiohttp==3.11.9