diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl
index e1ddbe1d35c2..797b9066a94e 100644
--- a/drivers/gles3/shaders/scene.glsl
+++ b/drivers/gles3/shaders/scene.glsl
@@ -1859,23 +1859,16 @@ void main() {
 #endif // !MODE_RENDER_DEPTH
 
 #if defined(USE_SHADOW_TO_OPACITY)
+#ifndef MODE_RENDER_DEPTH
 	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
 
 #if defined(ALPHA_SCISSOR_USED)
 	if (alpha < alpha_scissor) {
 		discard;
 	}
-#else
-#ifdef MODE_RENDER_DEPTH
-#ifdef USE_OPAQUE_PREPASS
-
-	if (alpha < opaque_prepass_threshold) {
-		discard;
-	}
-#endif // USE_OPAQUE_PREPASS
-#endif // MODE_RENDER_DEPTH
 #endif // !ALPHA_SCISSOR_USED
 
+#endif // !MODE_RENDER_DEPTH
 #endif // USE_SHADOW_TO_OPACITY
 
 #ifdef MODE_RENDER_DEPTH
diff --git a/servers/rendering/renderer_rd/shaders/forward_clustered/scene_forward_clustered.glsl b/servers/rendering/renderer_rd/shaders/forward_clustered/scene_forward_clustered.glsl
index 47d273d789dd..cb07579c4b1d 100644
--- a/servers/rendering/renderer_rd/shaders/forward_clustered/scene_forward_clustered.glsl
+++ b/servers/rendering/renderer_rd/shaders/forward_clustered/scene_forward_clustered.glsl
@@ -2235,24 +2235,16 @@ void fragment_shader(in SceneData scene_data) {
 	}
 
 #ifdef USE_SHADOW_TO_OPACITY
+#ifndef MODE_RENDER_DEPTH
 	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
 
 #if defined(ALPHA_SCISSOR_USED)
 	if (alpha < alpha_scissor) {
 		discard;
 	}
-#else
-#ifdef MODE_RENDER_DEPTH
-#ifdef USE_OPAQUE_PREPASS
-
-	if (alpha < scene_data.opaque_prepass_threshold) {
-		discard;
-	}
-
-#endif // USE_OPAQUE_PREPASS
-#endif // MODE_RENDER_DEPTH
 #endif // ALPHA_SCISSOR_USED
 
+#endif // !MODE_RENDER_DEPTH
 #endif // USE_SHADOW_TO_OPACITY
 
 #endif //!defined(MODE_RENDER_DEPTH) && !defined(MODE_UNSHADED)
diff --git a/servers/rendering/renderer_rd/shaders/forward_mobile/scene_forward_mobile.glsl b/servers/rendering/renderer_rd/shaders/forward_mobile/scene_forward_mobile.glsl
index f0a514185682..b98ea5a27faf 100644
--- a/servers/rendering/renderer_rd/shaders/forward_mobile/scene_forward_mobile.glsl
+++ b/servers/rendering/renderer_rd/shaders/forward_mobile/scene_forward_mobile.glsl
@@ -1756,24 +1756,16 @@ void main() {
 	} //spot lights
 
 #ifdef USE_SHADOW_TO_OPACITY
+#ifndef MODE_RENDER_DEPTH
 	alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
 
 #if defined(ALPHA_SCISSOR_USED)
 	if (alpha < alpha_scissor) {
 		discard;
 	}
-#else
-#ifdef MODE_RENDER_DEPTH
-#ifdef USE_OPAQUE_PREPASS
-
-	if (alpha < scene_data.opaque_prepass_threshold) {
-		discard;
-	}
-
-#endif // USE_OPAQUE_PREPASS
-#endif // MODE_RENDER_DEPTH
 #endif // !ALPHA_SCISSOR_USED
 
+#endif // !MODE_RENDER_DEPTH
 #endif // USE_SHADOW_TO_OPACITY
 
 #endif //!defined(MODE_RENDER_DEPTH) && !defined(MODE_UNSHADED)