diff --git a/lib/mayaUsd/render/vp2ShaderFragments/UsdPreviewSurface.xml b/lib/mayaUsd/render/vp2ShaderFragments/UsdPreviewSurface.xml
index be756e0f1a..43843a4bd5 100644
--- a/lib/mayaUsd/render/vp2ShaderFragments/UsdPreviewSurface.xml
+++ b/lib/mayaUsd/render/vp2ShaderFragments/UsdPreviewSurface.xml
@@ -37,7 +37,6 @@ limitations under the License.
         <fragment_ref name="lightingContributions" ref="lightingContributions"/>
         <fragment_ref name="scaledDiffusePassThrough" ref="scaledDiffusePassThrough"/>
         <fragment_ref name="scaledSpecularPassThrough" ref="scaledSpecularPassThrough"/>
-        <fragment_ref name="opacityToTransparency" ref="opacityToTransparency"/>
         <fragment_ref name="maya16LightAccum" ref="maya16LightAccum"/>
         <fragment_ref name="usdPreviewSurfaceCombiner" ref="usdPreviewSurfaceCombiner"/>
 
@@ -74,7 +73,6 @@ limitations under the License.
         <connect from="maya16LightAccum.scaledSpecular" to="usdPreviewSurfaceCombiner.specularIrradianceIn" name="specularIrradianceIn"/>
         <connect from="diffuseColorPassThrough.mayafloat3PassThrough" to="usdPreviewSurfaceCombiner.diffuseColor" name="diffuseColor"/>
         <connect from="specularColorPassThrough.mayafloat3PassThrough" to="usdPreviewSurfaceCombiner.specularColor" name="specularColor"/>
-        <connect from="opacityToTransparency.transparency" to="usdPreviewSurfaceCombiner.transparency" name="transparency"/>
         <connect from="usdPreviewSurfaceCombiner.usdPreviewSurfaceCombiner" to="mayaComputeSurfaceFinal.input" name="input"/>
         <connect from="maya_FogDepthSurface.maya_FogDepthSurface" to="mayaComputeSurfaceFinal.maya_FogDepthSurface" name="maya_FogDepthSurface"/>
         <connect from="mayaComputeSurfaceFinal.mayaComputeSurfaceFinal" to="mayaSurfaceShaderOutput.mayaSurfaceShaderOutput" name="mayaSurfaceShaderOutput"/>
@@ -90,7 +88,7 @@ limitations under the License.
         <float name="occlusion" ref="usdPreviewSurfaceLighting.occlusion"/>
         <float name="roughness" ref="usdPreviewSurfaceLighting.specularRoughness"/>
         <float3 name="specularColor" ref="specularColorPassThrough.input"/>
-        <float name="opacity" ref="opacityToTransparency.opacity"/>
+        <float3 name="transparency" ref="usdPreviewSurfaceCombiner.transparency"/>
         <bool name="useSpecularWorkflow" ref="usdPreviewSurfaceLighting.useSpecularWorkflow"/>
 
         <!-- Maya Parameters for Lighting -->
@@ -128,7 +126,7 @@ limitations under the License.
         <float name="roughness" value="0.5"/>
         <float3 name="specularColor" value="0.0,0.0,0.0"/>
         <!-- The shader computes transparency from its "opacity" attribute. -->
-        <float name="opacity" value="1.0"/>
+        <float3 name="transparency" value="0.0,0.0,0.0"/>
         <bool name="useSpecularWorkflow" value="false"/>
 
         <!-- Default values for Maya-provided parameters. -->