diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6d14742
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+# generated project files
+.*.wbproj
+
+# world thumbnail files
+.*.jpg
diff --git a/worlds/.circuit.jpg b/worlds/.circuit.jpg
deleted file mode 100644
index 8fd71c3..0000000
Binary files a/worlds/.circuit.jpg and /dev/null differ
diff --git a/worlds/.circuit.wbproj b/worlds/.circuit.wbproj
deleted file mode 100644
index 82c99ea..0000000
--- a/worlds/.circuit.wbproj
+++ /dev/null
@@ -1,11 +0,0 @@
-Webots Project File version R2023a
-perspectives: 000000ff00000000fd000000020000000100000245000004c2fc0200000001fb0000001400540065007800740045006400690074006f00720100000016000004c20000008900ffffff00000003000009c80000008bfc0100000001fb0000001a0043006f006e0073006f006c00650041006c006c0041006c006c0100000000000009c80000006900ffffff00000781000004c200000001000000020000000100000008fc00000000
-simulationViewPerspectives: 000000ff0000000100000002000002b10000038c0100000002010000000100
-sceneTreePerspectives: 000000ff00000001000000030000001c000000c0000001670100000002010000000200
-maximizedDockId: -1
-centralWidgetVisible: 1
-renderingMode: PLAIN
-orthographicViewHeight: 1
-textFiles: 0 "controllers/maliput_pure_pursuit_circuit/maliput_pure_pursuit_circuit.py"
-globalOptionalRendering: CoordinateSystem
-consoles: Console:All:All
diff --git a/worlds/.loop_road_pedestrian_crosswalk.jpg b/worlds/.loop_road_pedestrian_crosswalk.jpg
deleted file mode 100644
index fbc061e..0000000
Binary files a/worlds/.loop_road_pedestrian_crosswalk.jpg and /dev/null differ
diff --git a/worlds/.loop_road_pedestrian_crosswalk.wbproj b/worlds/.loop_road_pedestrian_crosswalk.wbproj
deleted file mode 100644
index bb92d8d..0000000
--- a/worlds/.loop_road_pedestrian_crosswalk.wbproj
+++ /dev/null
@@ -1,9 +0,0 @@
-Webots Project File version R2023a
-perspectives: 000000ff00000000fd00000002000000010000007500000514fc0200000001fb0000001400540065007800740045006400690074006f00720100000016000005140000008900ffffff00000003000004e400000039fc0100000001fb0000001a0043006f006e0073006f006c00650041006c006c0041006c006c0100000000000004e40000006900ffffff0000046d0000051400000001000000020000000100000008fc00000000
-simulationViewPerspectives: 000000ff000000010000000200000150000004a70100000002010000000100
-sceneTreePerspectives: 000000ff00000001000000030000001c000000c0000000fa0100000002010000000200
-maximizedDockId: -1
-centralWidgetVisible: 1
-orthographicViewHeight: 1
-textFiles: 0 "controllers/maliput_pure_pursuit/maliput_pure_pursuit.py"
-consoles: Console:All:All
diff --git a/worlds/.road_shapes.jpg b/worlds/.road_shapes.jpg
deleted file mode 100644
index 04bcd33..0000000
Binary files a/worlds/.road_shapes.jpg and /dev/null differ
diff --git a/worlds/.road_shapes.wbproj b/worlds/.road_shapes.wbproj
deleted file mode 100644
index 4eb1645..0000000
--- a/worlds/.road_shapes.wbproj
+++ /dev/null
@@ -1,9 +0,0 @@
-Webots Project File version R2023a
-perspectives: 000000ff00000000fd00000002000000010000028400000391fc0200000001fb0000001400540065007800740045006400690074006f00720100000016000003910000008900ffffff000000030000074600000039fc0100000001fb0000001a0043006f006e0073006f006c00650041006c006c0041006c006c0100000000000007460000006900ffffff000004c00000039100000001000000020000000100000008fc00000000
-simulationViewPerspectives: 000000ff000000010000000200000150000004a70100000002010000000100
-sceneTreePerspectives: 000000ff00000001000000030000001c000000c0000000fa0100000002010000000200
-maximizedDockId: -1
-centralWidgetVisible: 1
-orthographicViewHeight: 1
-textFiles: 0 "controllers/maliput_pure_pursuit/maliput_pure_pursuit.py"
-consoles: Console:All:All