diff --git a/src/core/pyros_django/external_modules/__init__.py b/src/core/pyros_django/external_modules/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/src/core/pyros_django/external_modules/__init__.py
+++ /dev/null
diff --git a/src/core/pyros_django/external_modules/exposure.py b/src/core/pyros_django/external_modules/exposure.py
deleted file mode 100644
index b302f52..0000000
--- a/src/core/pyros_django/external_modules/exposure.py
+++ /dev/null
@@ -1,5 +0,0 @@
-from utils.Logger import *
-
-
-class ExposureCalculator(Logger):
-    pass
diff --git a/src/core/pyros_django/external_modules/image_simulator.py b/src/core/pyros_django/external_modules/image_simulator.py
deleted file mode 100644
index aef49ea..0000000
--- a/src/core/pyros_django/external_modules/image_simulator.py
+++ /dev/null
@@ -1,5 +0,0 @@
-from utils.Logger import *
-
-
-class ImageSimulator(Logger):
-    pass
diff --git a/src/core/pyros_django/external_modules/visibility_calculator.py b/src/core/pyros_django/external_modules/visibility_calculator.py
deleted file mode 100644
index 47dbd76..0000000
--- a/src/core/pyros_django/external_modules/visibility_calculator.py
+++ /dev/null
@@ -1,12 +0,0 @@
-from utils.Logger import *
-
-'''
-    Class made to manage the sequences visibility
-'''
-
-
-class VisibilityCalculator(Logger):
-
-    # Return the visible interval
-    def getVisibleInterval(self, coordinates) -> tuple:
-        return (0, 20000)
--
libgit2 0.21.2