diff --git a/1.3/Defs/ReserchDefs/Reserch_ProjectDefs.xml b/1.3/Defs/ReserchDefs/Reserch_ProjectDefs.xml
index debb70b..e1e095b 100644
--- a/1.3/Defs/ReserchDefs/Reserch_ProjectDefs.xml
+++ b/1.3/Defs/ReserchDefs/Reserch_ProjectDefs.xml
@@ -35,7 +35,7 @@
     <label>core analysis</label>
     <description>...</description>
     <tab>PN_technology</tab>
-    <baseCost>2500</baseCost>
+    <baseCost>500</baseCost>
     <techLevel>Industrial</techLevel>
     <prerequisites>
       <li>PNRP_Production</li>
diff --git a/1.3/Patches/Royalty.xml b/1.3/Patches/Royalty.xml
index 98284f5..3e70605 100644
--- a/1.3/Patches/Royalty.xml
+++ b/1.3/Patches/Royalty.xml
@@ -40,21 +40,6 @@
             </prerequisites>
           </value>
         </li>
-        <li Class="PatchOperationReplace">
-          <xpath>/Defs/ResearchProjectDef[defName = "PNRP_Brain"]/baseCost</xpath>
-          <value>
-            <baseCost>500</baseCost>
-          </value>
-        </li>
-        <li Class="PatchOperationReplace">
-          <xpath>/Defs/ResearchProjectDef[defName = "PNRP_Brain"]/prerequisites</xpath>
-          <value>
-            <prerequisites>
-              <li>PNRP_Production</li>
-              <li>BrainWiring</li>
-            </prerequisites>
-          </value>
-        </li>
       </operations>
     </match>
   </Operation>