diff --git a/servers/rendering/renderer_rd/environment/fog.cpp b/servers/rendering/renderer_rd/environment/fog.cpp
index 57da55db4d0..78b785153fa 100644
--- a/servers/rendering/renderer_rd/environment/fog.cpp
+++ b/servers/rendering/renderer_rd/environment/fog.cpp
@@ -388,6 +388,37 @@ Fog::FogShaderData::~FogShaderData() {
 ////////////////////////////////////////////////////////////////////////////////
 // Volumetric Fog
 
+bool Fog::VolumetricFog::sync_gi_dependent_sets_validity(bool p_ensure_freed) {
+	bool null = gi_dependent_sets.copy_uniform_set.is_null();
+	bool valid = !null && RD::get_singleton()->uniform_set_is_valid(gi_dependent_sets.copy_uniform_set);
+
+#ifdef DEV_ENABLED
+	// It's all-or-nothing, or something else has changed that requires dev attention.
+	DEV_ASSERT(null == gi_dependent_sets.process_uniform_set_density.is_null());
+	DEV_ASSERT(null == gi_dependent_sets.process_uniform_set.is_null());
+	DEV_ASSERT(null == gi_dependent_sets.process_uniform_set2.is_null());
+	DEV_ASSERT(valid == RD::get_singleton()->uniform_set_is_valid(gi_dependent_sets.process_uniform_set_density));
+	DEV_ASSERT(valid == RD::get_singleton()->uniform_set_is_valid(gi_dependent_sets.process_uniform_set));
+	DEV_ASSERT(valid == RD::get_singleton()->uniform_set_is_valid(gi_dependent_sets.process_uniform_set2));
+#endif
+
+	if (valid) {
+		if (p_ensure_freed) {
+			RD::get_singleton()->free(gi_dependent_sets.copy_uniform_set);
+			RD::get_singleton()->free(gi_dependent_sets.process_uniform_set_density);
+			RD::get_singleton()->free(gi_dependent_sets.process_uniform_set);
+			RD::get_singleton()->free(gi_dependent_sets.process_uniform_set2);
+			valid = false;
+		}
+	}
+
+	if (!valid && !null) {
+		gi_dependent_sets = {};
+	}
+
+	return valid;
+}
+
 void Fog::VolumetricFog::init(const Vector3i &fog_size, RID p_sky_shader) {
 	width = fog_size.x;
 	height = fog_size.y;
@@ -464,17 +495,7 @@ Fog::VolumetricFog::~VolumetricFog() {
 		RD::get_singleton()->free(fog_uniform_set);
 	}
 
-	// At this point, due to cascade deletions, the sets may no longer be valid, but still they must work as a group.
-	gi_dependent_sets.valid = RD::get_singleton()->uniform_set_is_valid(gi_dependent_sets.process_uniform_set_density);
-#ifdef DEV_ENABLED
-	gi_dependent_sets.assert_actual_validity();
-#endif
-	if (gi_dependent_sets.valid) {
-		RD::get_singleton()->free(gi_dependent_sets.copy_uniform_set);
-		RD::get_singleton()->free(gi_dependent_sets.process_uniform_set_density);
-		RD::get_singleton()->free(gi_dependent_sets.process_uniform_set);
-		RD::get_singleton()->free(gi_dependent_sets.process_uniform_set2);
-	}
+	sync_gi_dependent_sets_validity(true);
 
 	if (sdfgi_uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(sdfgi_uniform_set)) {
 		RD::get_singleton()->free(sdfgi_uniform_set);
@@ -717,10 +738,7 @@ void Fog::volumetric_fog_update(const VolumetricFogSettings &p_settings, const P
 		RD::get_singleton()->compute_list_end();
 	}
 
-#ifdef DEV_ENABLED
-	fog->gi_dependent_sets.assert_actual_validity();
-#endif
-	if (!fog->gi_dependent_sets.valid) {
+	if (!fog->sync_gi_dependent_sets_validity()) {
 		//re create uniform set if needed
 		Vector<RD::Uniform> uniforms;
 		Vector<RD::Uniform> copy_uniforms;
@@ -932,8 +950,6 @@ void Fog::volumetric_fog_update(const VolumetricFogSettings &p_settings, const P
 		uniforms.remove_at(8);
 		uniforms.write[7].set_id(0, aux7);
 		fog->gi_dependent_sets.process_uniform_set_density = RD::get_singleton()->uniform_set_create(uniforms, volumetric_fog.process_shader.version_get_shader(volumetric_fog.process_shader_version, VolumetricFogShader::VOLUMETRIC_FOG_PROCESS_SHADER_DENSITY), 0);
-
-		fog->gi_dependent_sets.valid = true;
 	}
 
 	bool using_sdfgi = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_gi_inject(p_settings.env) > 0.0001 && RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_enabled(p_settings.env) && (p_settings.sdfgi.is_valid());
diff --git a/servers/rendering/renderer_rd/environment/fog.h b/servers/rendering/renderer_rd/environment/fog.h
index 926da4026cc..277389c596d 100644
--- a/servers/rendering/renderer_rd/environment/fog.h
+++ b/servers/rendering/renderer_rd/environment/fog.h
@@ -303,21 +303,10 @@ public:
 		RID fog_uniform_set;
 
 		struct {
-			bool valid = false;
 			RID copy_uniform_set;
 			RID process_uniform_set_density;
 			RID process_uniform_set;
 			RID process_uniform_set2;
-
-#ifdef DEV_ENABLED
-			void assert_actual_validity() {
-				// It's all-or-nothing, or something else has changed that requires dev attention.
-				DEV_ASSERT(valid == RD::get_singleton()->uniform_set_is_valid(copy_uniform_set));
-				DEV_ASSERT(valid == RD::get_singleton()->uniform_set_is_valid(process_uniform_set_density));
-				DEV_ASSERT(valid == RD::get_singleton()->uniform_set_is_valid(process_uniform_set));
-				DEV_ASSERT(valid == RD::get_singleton()->uniform_set_is_valid(process_uniform_set2));
-			}
-#endif
 		} gi_dependent_sets;
 
 		RID sdfgi_uniform_set;
@@ -328,6 +317,8 @@ public:
 		virtual void configure(RenderSceneBuffersRD *p_render_buffers) override{};
 		virtual void free_data() override{};
 
+		bool sync_gi_dependent_sets_validity(bool p_ensure_freed = false);
+
 		void init(const Vector3i &fog_size, RID p_sky_shader);
 		~VolumetricFog();
 	};
diff --git a/servers/rendering/renderer_rd/environment/gi.cpp b/servers/rendering/renderer_rd/environment/gi.cpp
index 52f09e1ccb5..c2a018c7c6c 100644
--- a/servers/rendering/renderer_rd/environment/gi.cpp
+++ b/servers/rendering/renderer_rd/environment/gi.cpp
@@ -3695,20 +3695,6 @@ void GI::setup_voxel_gi_instances(RenderDataRD *p_render_data, Ref<RenderSceneBu
 			}
 			rbgi->uniform_set[v] = RID();
 		}
-		if (p_render_buffers->has_custom_data(RB_SCOPE_FOG)) {
-			Ref<Fog::VolumetricFog> fog = p_render_buffers->get_custom_data(RB_SCOPE_FOG);
-
-#ifdef DEV_ENABLED
-			fog->gi_dependent_sets.assert_actual_validity();
-#endif
-			if (fog->gi_dependent_sets.valid) {
-				RD::get_singleton()->free(fog->gi_dependent_sets.copy_uniform_set);
-				RD::get_singleton()->free(fog->gi_dependent_sets.process_uniform_set_density);
-				RD::get_singleton()->free(fog->gi_dependent_sets.process_uniform_set);
-				RD::get_singleton()->free(fog->gi_dependent_sets.process_uniform_set2);
-				fog->gi_dependent_sets.valid = false;
-			}
-		}
 	}
 
 	if (p_voxel_gi_instances.size() > 0) {
diff --git a/servers/rendering/renderer_rd/storage_rd/light_storage.h b/servers/rendering/renderer_rd/storage_rd/light_storage.h
index c36d1ef503b..3360358169a 100644
--- a/servers/rendering/renderer_rd/storage_rd/light_storage.h
+++ b/servers/rendering/renderer_rd/storage_rd/light_storage.h
@@ -93,11 +93,11 @@ private:
 		struct ShadowTransform {
 			Projection camera;
 			Transform3D transform;
-			float farplane;
-			float split;
-			float bias_scale;
-			float shadow_texel_size;
-			float range_begin;
+			float farplane = 0.0;
+			float split = 0.0;
+			float bias_scale = 0.0;
+			float shadow_texel_size = 0.0;
+			float range_begin = 0.0;
 			Rect2 atlas_rect;
 			Vector2 uv_scale;
 		};