diff --git a/components/sceneutil/mwshadowtechnique.cpp b/components/sceneutil/mwshadowtechnique.cpp
index 06930ebe59..d0c270971a 100644
--- a/components/sceneutil/mwshadowtechnique.cpp
+++ b/components/sceneutil/mwshadowtechnique.cpp
@@ -1025,7 +1025,6 @@ void MWShadowTechnique::cull(osgUtil::CullVisitor& cv)
             {
                 dummyState->setTextureAttribute(i, _fallbackShadowMapTexture, osg::StateAttribute::ON);
                 dummyState->addUniform(new osg::Uniform(("shadowTexture" + std::to_string(i - baseUnit)).c_str(), i));
-                dummyState->addUniform(new osg::Uniform(("shadowTextureUnit" + std::to_string(i - baseUnit)).c_str(), i));
             }
 
             cv.pushStateSet(dummyState);
@@ -1711,14 +1710,6 @@ void MWShadowTechnique::createShaders()
             for (auto& perFrameUniformList : _uniforms)
                 perFrameUniformList.emplace_back(shadowTextureSampler.get());
         }
-
-        {
-            std::stringstream sstr;
-            sstr<<"shadowTextureUnit"<<sm_i;
-            osg::ref_ptr<osg::Uniform> shadowTextureUnit = new osg::Uniform(sstr.str().c_str(),(int)(settings->getBaseShadowTextureUnit()+sm_i));
-            for (auto& perFrameUniformList : _uniforms)
-                perFrameUniformList.emplace_back(shadowTextureUnit.get());
-        }
     }
 
     switch(settings->getShaderHint())
diff --git a/components/sceneutil/shadow.cpp b/components/sceneutil/shadow.cpp
index 9351ec249e..b32be08386 100644
--- a/components/sceneutil/shadow.cpp
+++ b/components/sceneutil/shadow.cpp
@@ -105,8 +105,6 @@ namespace SceneUtil
                 osg::StateAttribute::ON | osg::StateAttribute::OVERRIDE | osg::StateAttribute::PROTECTED);
             stateset.addUniform(new osg::Uniform(
                 ("shadowTexture" + std::to_string(i - mShadowSettings->getBaseShadowTextureUnit())).c_str(), i));
-            stateset.addUniform(new osg::Uniform(
-                ("shadowTextureUnit" + std::to_string(i - mShadowSettings->getBaseShadowTextureUnit())).c_str(), i));
         }
     }
 
diff --git a/files/shaders/compatibility/shadows_vertex.glsl b/files/shaders/compatibility/shadows_vertex.glsl
index a99a4a10e6..23fbc74988 100644
--- a/files/shaders/compatibility/shadows_vertex.glsl
+++ b/files/shaders/compatibility/shadows_vertex.glsl
@@ -3,7 +3,6 @@
 #if SHADOWS
     @foreach shadow_texture_unit_index @shadow_texture_unit_list
         uniform mat4 shadowSpaceMatrix@shadow_texture_unit_index;
-        uniform int shadowTextureUnit@shadow_texture_unit_index;
         varying vec4 shadowSpaceCoords@shadow_texture_unit_index;
 
 #if @perspectiveShadowMaps