diff --git a/system/base/spidermonkey/pspec.xml b/system/base/spidermonkey/pspec.xml
index 640b5781..ce15f8a3 100644
--- a/system/base/spidermonkey/pspec.xml
+++ b/system/base/spidermonkey/pspec.xml
@@ -55,17 +55,10 @@
     </Package>
 
     <History>
-        <Update release="6">
-            <Date>2018-07-21</Date>
-            <Version>52.2.1</Version>
-            <Comment>Version bump.</Comment>
-            <Name>Ertuğrul Erata</Name>
-            <Email>ertugrulerata@gmail.com</Email>
-        </Update>
         <Update release="5">
             <Date>2018-07-21</Date>
             <Version>52.2.1</Version>
-            <Comment>Rebuild</Comment>
+            <Comment>Version bump.</Comment>
             <Name>Ertuğrul Erata</Name>
             <Email>ertugrulerata@gmail.com</Email>
         </Update>