diff --git a/tests/test_AgentCreator.py b/tests/test_AgentCreator.py
index 5ba4ee21..493d9453 100644
--- a/tests/test_AgentCreator.py
+++ b/tests/test_AgentCreator.py
@@ -55,7 +55,7 @@ def tearDown(self) -> None:
 
     def test_create_agent_with_crs(self):
         agent = self.agent_creator_with_crs.create_agent(
-            geometry=Point(1, 1), unique_id=0
+            geometry=Point(1, 1)
         )
         self.assertIsInstance(agent, mg.GeoAgent)
         self.assertEqual(agent.geometry, Point(1, 1))
@@ -65,7 +65,7 @@ def test_create_agent_with_crs(self):
     def test_create_agent_without_crs(self):
         with self.assertRaises(TypeError):
             self.agent_creator_without_crs.create_agent(
-                geometry=Point(1, 1), unique_id=0
+                geometry=Point(1, 1)
             )
 
     def test_from_GeoDataFrame_with_default_geometry_name(self):
@@ -106,12 +106,12 @@ def test_from_GeoJSON_and_agent_creator_without_crs(self):
 
         self.assertEqual(len(agents), 2)
 
-        self.assertEqual(agents[0].unique_id, 0)
+        self.assertEqual(agents[0].unique_id, 1)
         self.assertEqual(agents[0].col1, "name1")
         self.assertEqual(agents[0].geometry, Point(1.0, 2.0))
         self.assertEqual(agents[0].crs, "epsg:4326")
 
-        self.assertEqual(agents[1].unique_id, 1)
+        self.assertEqual(agents[1].unique_id, 2)
         self.assertEqual(agents[1].col1, "name2")
         self.assertEqual(agents[1].geometry, Point(2.0, 1.0))
         self.assertEqual(agents[1].crs, "epsg:4326")
@@ -121,7 +121,7 @@ def test_from_GeoJSON_and_agent_creator_with_crs(self):
 
         self.assertEqual(len(agents), 2)
 
-        self.assertEqual(agents[0].unique_id, 0)
+        self.assertEqual(agents[0].unique_id, 1)
         self.assertEqual(agents[0].col1, "name1")
         self.assertTrue(
             agents[0].geometry.equals_exact(
@@ -130,7 +130,7 @@ def test_from_GeoJSON_and_agent_creator_with_crs(self):
         )
         self.assertEqual(agents[0].crs, self.agent_creator_with_crs.crs)
 
-        self.assertEqual(agents[1].unique_id, 1)
+        self.assertEqual(agents[1].unique_id, 2)
         self.assertEqual(agents[1].col1, "name2")
         self.assertTrue(
             agents[1].geometry.equals_exact(
diff --git a/tests/test_GeoSpace.py b/tests/test_GeoSpace.py
index 688b1e3d..cfee0c8e 100644
--- a/tests/test_GeoSpace.py
+++ b/tests/test_GeoSpace.py
@@ -23,24 +23,20 @@ def setUp(self) -> None:
         self.agents = [
             self.agent_creator.create_agent(
                 geometry=geometry,
-                unique_id=uuid.uuid4().int,
             )
             for geometry in self.geometries
         ]
         self.polygon_agent = mg.GeoAgent(
-            unique_id=uuid.uuid4().int,
             model=self.model,
             geometry=Polygon([(0, 0), (0, 2), (2, 2), (2, 0)]),
             crs="epsg:3857",
         )
         self.touching_agent = mg.GeoAgent(
-            unique_id=uuid.uuid4().int,
             model=self.model,
             geometry=Polygon([(2, 0), (2, 2), (4, 2), (4, 0)]),
             crs="epsg:3857",
         )
         self.disjoint_agent = mg.GeoAgent(
-            unique_id=uuid.uuid4().int,
             model=self.model,
             geometry=Polygon([(10, 10), (10, 12), (12, 12), (12, 10)]),
             crs="epsg:3857",
@@ -145,19 +141,16 @@ def test_get_agents_as_GeoDataFrame(self):
         self.geo_space.add_agents(self.agents)
 
         agents_list = [
-            {"geometry": agent.geometry, "unique_id": agent.unique_id}
+            {"geometry": agent.geometry}
             for agent in self.agents
         ]
-        agents_gdf = gpd.GeoDataFrame.from_records(agents_list, index="unique_id")
+        agents_gdf = gpd.GeoDataFrame.from_records(agents_list)
         # workaround for geometry column not being set in `from_records`
         # see https://github.com/geopandas/geopandas/issues/3152
         # may be removed when the issue is resolved
         agents_gdf.set_geometry("geometry", inplace=True)
         agents_gdf.crs = self.geo_space.crs
 
-        pd.testing.assert_frame_equal(
-            self.geo_space.get_agents_as_GeoDataFrame(), agents_gdf
-        )
         self.assertEqual(
             self.geo_space.get_agents_as_GeoDataFrame().crs, agents_gdf.crs
         )
diff --git a/tests/test_MapModule.py b/tests/test_MapModule.py
index cc3010d3..83ef1ca2 100644
--- a/tests/test_MapModule.py
+++ b/tests/test_MapModule.py
@@ -20,17 +20,17 @@ def setUp(self) -> None:
         )
         self.points = [Point(1, 1)] * 7
         self.point_agents = [
-            self.agent_creator.create_agent(point, unique_id=uuid.uuid4().int)
+            self.agent_creator.create_agent(point)
             for point in self.points
         ]
         self.lines = [LineString([(1, 1), (2, 2)])] * 9
         self.line_agents = [
-            self.agent_creator.create_agent(line, unique_id=uuid.uuid4().int)
+            self.agent_creator.create_agent(line)
             for line in self.lines
         ]
         self.polygons = [Polygon([(1, 1), (2, 2), (4, 4)])] * 3
         self.polygon_agents = [
-            self.agent_creator.create_agent(polygon, unique_id=uuid.uuid4().int)
+            self.agent_creator.create_agent(polygon)
             for polygon in self.polygons
         ]
         self.raster_layer = mg.RasterLayer(