diff --git a/Aircraft/c172p/Models/Effects/bumpspec.eff b/Aircraft/c172p/Models/Effects/bumpspec.eff
index f3200f59b..613e4aeac 100644
--- a/Aircraft/c172p/Models/Effects/bumpspec.eff
+++ b/Aircraft/c172p/Models/Effects/bumpspec.eff
@@ -43,7 +43,7 @@
     <binormal type="int">7</binormal>
   </generate>
 
-  <technique n="8">
+  <technique n="7">
     <pass>
       <program>
         <attribute>
diff --git a/Aircraft/c172p/Models/Effects/glass.eff b/Aircraft/c172p/Models/Effects/glass.eff
index 034932b3a..2e161d6ef 100644
--- a/Aircraft/c172p/Models/Effects/glass.eff
+++ b/Aircraft/c172p/Models/Effects/glass.eff
@@ -27,109 +27,8 @@
 			<rendering-hint>transparent</rendering-hint>
 			<transparent>true</transparent>
 			<render-bin>
-				<bin-number>111</bin-number>
+				<bin-number>10</bin-number>
 				<bin-name>DepthSortedBin</bin-name>
 			</render-bin>
 		</parameters>
-		<technique n="7">
-		  <predicate>
-			<and>
-			  <property>/sim/rendering/rembrandt/enabled</property>
-			  <or>
-				<less-equal>
-				  <value type="float">2.0</value>
-				  <glversion/>
-				</less-equal>
-				<and>
-				  <extension-supported>GL_ARB_shader_objects</extension-supported>
-				  <extension-supported>GL_ARB_shading_language_100</extension-supported>
-				  <extension-supported>GL_ARB_vertex_shader</extension-supported>
-				  <extension-supported>GL_ARB_fragment_shader</extension-supported>
-				</and>
-			  </or>
-			  <extension-supported>GL_EXT_gpu_shader4</extension-supported>
-			  <extension-supported>GL_ARB_texture_rg</extension-supported>
-			</and>
-		  </predicate>
-		  <pass>
-			<lighting>true</lighting>
-			<depth>
-			  <write-mask type="bool">false</write-mask>
-			</depth>
-			<material>
-			  <active>
-				<use>material/active</use>
-			  </active>
-			  <ambient>
-				<use>material/ambient</use>
-			  </ambient>
-			  <diffuse>
-				<use>material/diffuse</use>
-			  </diffuse>
-			  <specular>
-				<use>material/specular</use>
-			  </specular>
-			  <emissive>
-				<use>material/emissive</use>
-			  </emissive>
-			  <shininess>
-				<use>material/shininess</use>
-			  </shininess>
-			  <color-mode>
-				<use>material/color-mode</use>
-			  </color-mode>
-			</material>
-			<blend>
-			  <active>
-				<use>blend/active</use>
-			  </active>
-			  <source>
-				<use>blend/source</use>
-			  </source>
-			  <destination>
-				<use>blend/destination</use>
-			  </destination>
-			</blend>
-			<shade-model>
-			  <use>shade-model</use>
-			</shade-model>
-			<cull-face>
-			  <use>cull-face</use>
-			</cull-face>
-			<render-bin>
-			  <bin-number>111</bin-number>
-			  <bin-name>DepthSortedBin</bin-name>
-			</render-bin>
-			<texture-unit>
-			  <active>
-				<use>texture[0]/active</use>
-			  </active>
-			  <unit>0</unit>
-			  <image>
-				<use>texture[0]/image</use>
-			  </image>
-			  <filter>
-				<use>texture[0]/filter</use>
-			  </filter>
-			  <wrap-s>
-				<use>texture[0]/wrap-s</use>
-			  </wrap-s>
-			  <wrap-t>
-				<use>texture[0]/wrap-t</use>
-			  </wrap-t>
-			  <!--
-				<internal-format>
-				  <use>texture[0]/internal-format</use>
-				</internal-format>
-				-->
-				  <environment>
-					<mode>modulate</mode>
-				  </environment>
-				</texture-unit>
-				<!-- A two-sided lighting model is set by default near the root
-				of the scene graph. Perhaps that ought to be set in this
-				effect?
-				  -->
-				</pass>
-			  </technique>
 </PropertyList>