diff --git a/components/sceneutil/mwshadowtechnique.cpp b/components/sceneutil/mwshadowtechnique.cpp
index 3210bf4a4e..d9a3c9270a 100644
--- a/components/sceneutil/mwshadowtechnique.cpp
+++ b/components/sceneutil/mwshadowtechnique.cpp
@@ -1,3 +1,4 @@
+// clang-format off
 /* This file is based on OpenSceneGraph's src/osgShadow/ViewDependentShadowMap.cpp.
  * Where applicable, any changes made are covered by OpenMW's GPL 3 license, not the OSGPL.
  * The original copyright notice is listed below.
@@ -3381,3 +3382,4 @@ osg::ref_ptr<osg::StateSet> SceneUtil::MWShadowTechnique::getOrCreateShadowsBinS
     }
     return _shadowsBinStateSet;
 }
+// clang-format on
diff --git a/components/sceneutil/mwshadowtechnique.hpp b/components/sceneutil/mwshadowtechnique.hpp
index 04355b5729..14cb885591 100644
--- a/components/sceneutil/mwshadowtechnique.hpp
+++ b/components/sceneutil/mwshadowtechnique.hpp
@@ -1,3 +1,4 @@
+// clang-format off
 /* This file is based on OpenSceneGraph's include/osgShadow/ViewDependentShadowMap.
  * Where applicable, any changes made are covered by OpenMW's GPL 3 license, not the OSGPL.
  * The original copyright notice is listed below.
@@ -336,3 +337,4 @@ namespace SceneUtil {
 }
 
 #endif
+// clang-format on
diff --git a/components/sceneutil/optimizer.cpp b/components/sceneutil/optimizer.cpp
index 00ebd018e1..2646291053 100644
--- a/components/sceneutil/optimizer.cpp
+++ b/components/sceneutil/optimizer.cpp
@@ -1,3 +1,4 @@
+// clang-format off
 /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
  *
  * This library is open source and may be redistributed and/or modified under
@@ -1976,3 +1977,4 @@ void Optimizer::MergeGroupsVisitor::apply(osg::Group &group)
 }
 
 }
+// clang-format on
diff --git a/components/sceneutil/optimizer.hpp b/components/sceneutil/optimizer.hpp
index 946f2e1f55..6c19355331 100644
--- a/components/sceneutil/optimizer.hpp
+++ b/components/sceneutil/optimizer.hpp
@@ -1,3 +1,4 @@
+// clang-format off
 /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
  *
  * This library is open source and may be redistributed and/or modified under
@@ -468,3 +469,4 @@ inline bool BaseOptimizerVisitor::isOperationPermissibleForObject(const osg::Nod
 }
 
 #endif
+// clang-format on