diff --git a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/MovableElement.kt b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/MovableElement.kt
index cdc4778..be066fd 100644
--- a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/MovableElement.kt
+++ b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/MovableElement.kt
@@ -133,18 +133,14 @@
         if (shouldComposeMovableElement) {
             val movableContent: MovableElementContent =
                 layoutImpl.movableContents[element]
-                    ?: movableContentOf {
-                            contentScope: MovableElementContentScope,
-                            content: @Composable MovableElementContentScope.() -> Unit ->
-                            contentScope.content()
-                        }
+                    ?: movableContentOf { content: @Composable () -> Unit -> content() }
                         .also { layoutImpl.movableContents[element] = it }
 
             // Important: Don't introduce any parent Box or other layout here, because contentScope
             // delegates its BoxScope implementation to the Box where this content() function is
             // called, so it's important that this movableContent is composed directly under that
             // Box.
-            movableContent(contentScope, content)
+            movableContent { contentScope.content() }
         } else {
             // If we are not composed, we still need to lay out an empty space with the same *target
             // size* as its movable content, i.e. the same *size when idle*. During transitions,
diff --git a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayoutImpl.kt b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayoutImpl.kt
index 1670e9c..25b0895 100644
--- a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayoutImpl.kt
+++ b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayoutImpl.kt
@@ -38,15 +38,8 @@
 import com.android.compose.ui.util.lerp
 import kotlinx.coroutines.CoroutineScope
 
-/**
- * The type for the content of movable elements.
- *
- * TODO(b/317972419): Revert back to make this movable content have a single @Composable lambda
- *   parameter.
- */
-internal typealias MovableElementContent =
-    @Composable
-    (MovableElementContentScope, @Composable MovableElementContentScope.() -> Unit) -> Unit
+/** The type for the content of movable elements. */
+internal typealias MovableElementContent = @Composable (@Composable () -> Unit) -> Unit
 
 @Stable
 internal class SceneTransitionLayoutImpl(