diff --git a/dem/cli/command/cp_cmd.py b/dem/cli/command/cp_cmd.py
index 2d728cb..90bbbbb 100644
--- a/dem/cli/command/cp_cmd.py
+++ b/dem/cli/command/cp_cmd.py
@@ -26,6 +26,7 @@ def cp_given_dev_env(platform: Platform, dev_env_to_cp: DevEnv,
                         new_dev_env_name: str):
     new_dev_env = copy.deepcopy(dev_env_to_cp)
     new_dev_env.name = new_dev_env_name
+    new_dev_env.is_installed = False
     platform.local_dev_envs.append(new_dev_env)
     platform.flush_descriptors()
 
diff --git a/dem/core/dev_env.py b/dem/core/dev_env.py
index e07d49b..fa16f1b 100755
--- a/dem/core/dev_env.py
+++ b/dem/core/dev_env.py
@@ -19,14 +19,11 @@ class DevEnv():
         "CI/CD server",
     )
 
-    def __init__(self, descriptor: dict | None = None, 
-                 dev_env_to_copy: "DevEnv | None" = None, 
-                 descriptor_path: str | None = None) -> None:
+    def __init__(self, descriptor: dict | None = None, descriptor_path: str | None = None) -> None:
         """ Init the DevEnv class. 
         
             A new instance can be created:
             - from a Dev Env descriptor
-            - based on another Dev Env
             - from a descriptor avaialable at the given path.
 
             Only one of the arguments can be used at a time.
@@ -34,7 +31,6 @@ def __init__(self, descriptor: dict | None = None,
             Args:
                 descriptor -- the description of the Development Environment from the dev_env.json 
                               file
-                dev_env_to_copy -- the DevEnv instance to copy
                 descriptor_path -- the path of the descriptor file
 
             Exceptions:
@@ -42,7 +38,7 @@ def __init__(self, descriptor: dict | None = None,
         """
 
         # Only one of the arguments can be not None
-        if sum(arg is not None for arg in [descriptor, dev_env_to_copy, descriptor_path]) > 1:
+        if sum(arg is not None for arg in [descriptor, descriptor_path]) > 1:
             raise ValueError("Only one of the arguments can be not None.")
 
         if descriptor_path:
@@ -51,17 +47,13 @@ def __init__(self, descriptor: dict | None = None,
             with open(descriptor_path, "r") as file:
                 descriptor = json.load(file)
 
-        if descriptor:
-            self.name: str = descriptor["name"]
-            self.tools: list[dict[str, str]] = descriptor["tools"]
-            descriptor_installed = descriptor.get("installed", "False")
-            if "True" == descriptor_installed:
-                self.is_installed = True
-            else:
-                self.is_installed = False
+        self.name: str = descriptor["name"]
+        self.tools: list[dict[str, str]] = descriptor["tools"]
+        descriptor_installed = descriptor.get("installed", "False")
+        if "True" == descriptor_installed:
+            self.is_installed = True
         else:
-            self.name = dev_env_to_copy.name
-            self.tools = dev_env_to_copy.tools
+            self.is_installed = False
 
     def check_image_availability(self, all_tool_images: ToolImages, 
                                  update_tool_image_store: bool = False,
diff --git a/tests/cli/test_cp.py b/tests/cli/test_cp.py
index 85c675f..7395dbe 100644
--- a/tests/cli/test_cp.py
+++ b/tests/cli/test_cp.py
@@ -80,17 +80,20 @@ def test_check_new_dev_env_name_taken(mock_stderr_print):
 def test_cp_given_dev_env():
     # Test setup
     mock_platform = MagicMock()
-    fake_dev_env_to_cp = MagicMock()
+    mock_dev_env_to_cp = MagicMock()
+    mock_dev_env_to_cp.name = "test_dev_env"
+    mock_dev_env_to_cp.is_installed = True
 
     test_new_name = "test_cpd"
 
     mock_platform.local_dev_envs = []
 
     # Run unit under test
-    cp_cmd.cp_given_dev_env(mock_platform, fake_dev_env_to_cp, test_new_name)
+    cp_cmd.cp_given_dev_env(mock_platform, mock_dev_env_to_cp, test_new_name)
 
     # Check expectations
     assert mock_platform.local_dev_envs[0].name is test_new_name
+    assert mock_platform.local_dev_envs[0].is_installed is False
 
     mock_platform.flush_descriptors.assert_called_once()
 
diff --git a/tests/core/test_dev_env.py b/tests/core/test_dev_env.py
index 2d4fe74..3c6f6ad 100644
--- a/tests/core/test_dev_env.py
+++ b/tests/core/test_dev_env.py
@@ -25,18 +25,6 @@ def test_DevEnv() -> None:
     assert test_dev_env.name is test_descriptor["name"]
     assert test_dev_env.tools is test_descriptor["tools"]
 
-    # Test setup
-    mock_base_dev_env = MagicMock()
-    mock_base_dev_env.name = "test_name"
-    mock_base_dev_env.tools = [MagicMock()]
-
-    # Run unit under test
-    test_dev_env = dev_env.DevEnv(dev_env_to_copy=mock_base_dev_env)
-
-    # Check expectations
-    assert test_dev_env.name is mock_base_dev_env.name
-    assert test_dev_env.tools is mock_base_dev_env.tools
-
 @patch("dem.core.dev_env.json.load")
 @patch("dem.core.dev_env.open")
 @patch("dem.core.dev_env.os.path.exists")