diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6c9ab0edf0..2fe6244636 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,9 @@ and this project adheres to
 
 ## [Unreleased]
 
+- Remove Environment input from Sandbox form
+  [#3954](https://github.com/OpenFn/lightning/issues/3954)
+
 ### Added
 
 ### Changed
diff --git a/lib/lightning_web/live/sandbox_live/form_component.ex b/lib/lightning_web/live/sandbox_live/form_component.ex
index 382d043def..17cbb121c2 100644
--- a/lib/lightning_web/live/sandbox_live/form_component.ex
+++ b/lib/lightning_web/live/sandbox_live/form_component.ex
@@ -82,7 +82,10 @@ defmodule LightningWeb.SandboxLive.FormComponent do
           }
         } = socket
       ) do
-    attrs = build_sandbox_attrs(params)
+    attrs =
+      params
+      |> build_sandbox_attrs()
+      |> Map.put(:env, "dev")
 
     with :ok <- ProjectLimiter.limit_new_sandbox(parent.id),
          {:ok, sandbox} <- Projects.provision_sandbox(parent, actor, attrs) do
@@ -232,14 +235,6 @@ defmodule LightningWeb.SandboxLive.FormComponent do
               <% end %>
             </div>
 
-            <.input
-              type="text"
-              field={f[:env]}
-              label="Environment"
-              placeholder="staging"
-              autocomplete="off"
-            />
-
             <Components.color_palette id="sandbox-color-picker" field={f[:color]} />
           </div>
 
@@ -276,7 +271,6 @@ defmodule LightningWeb.SandboxLive.FormComponent do
     %{
       "name" => sandbox.name,
       "raw_name" => sandbox.name,
-      "env" => sandbox.env,
       "color" => sandbox.color
     }
   end
@@ -320,8 +314,7 @@ defmodule LightningWeb.SandboxLive.FormComponent do
   defp build_sandbox_attrs(params) do
     %{
       name: params["name"],
-      color: params["color"],
-      env: params["env"]
+      color: params["color"]
     }
   end
 
diff --git a/test/lightning_web/live/sandbox_live/form_component_test.exs b/test/lightning_web/live/sandbox_live/form_component_test.exs
index 6b9c4718a0..deafa62eee 100644
--- a/test/lightning_web/live/sandbox_live/form_component_test.exs
+++ b/test/lightning_web/live/sandbox_live/form_component_test.exs
@@ -199,7 +199,7 @@ defmodule LightningWeb.SandboxLive.FormComponentTest do
           assert user_arg.id == user.id
 
           name = attrs[:name] || attrs["name"]
-          env = attrs[:env] || attrs["env"]
+          env = attrs[:env] || attrs["env"] || current_sb.env
           color = attrs[:color] || attrs["color"]
 
           if name in [nil, ""] do