diff --git a/build/packaging/WIX.template.in b/build/packaging/WIX.template.in
index ace36d955d08a..2c11e64285370 100644
--- a/build/packaging/WIX.template.in
+++ b/build/packaging/WIX.template.in
@@ -77,15 +77,11 @@
             
             <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\$(var.ShortProdName)\Capabilities\FileAssociations" Name=".mscz" Value="MuseScore.mscz" Type="string" />
             <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\$(var.ShortProdName)\Capabilities\FileAssociations" Name=".mscx" Value="MuseScore.mscx" Type="string" />
-            <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\$(var.ShortProdName)\Capabilities\FileAssociations" Name=".mscz," Value="MuseScore.mscz," Type="string" />
-            <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\$(var.ShortProdName)\Capabilities\FileAssociations" Name=".mscx," Value="MuseScore.mscx," Type="string" />
             
             <!-- TODO add more types?-->
             
             <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\$(var.ShortProdName)\Capabilities\MIMEAssociations" Name="application/x-musescore" Value="MuseScore.mscz" Type="string" />
             <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\$(var.ShortProdName)\Capabilities\MIMEAssociations" Name="application/x-musescore+xml" Value="MuseScore.mscx" Type="string" />
-            <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\$(var.ShortProdName)\Capabilities\MIMEAssociations" Name="application/x-musescore" Value="MuseScore.mscz," Type="string" />
-            <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\$(var.ShortProdName)\Capabilities\MIMEAssociations" Name="application/x-musescore+xml" Value="MuseScore.mscx," Type="string" />
             <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\$(var.ShortProdName)\Capabilities\shell\open\command" Value="&quot;[INSTALL_ROOT]bin\$(var.ExeName)&quot; &quot;%1&quot;" Type="string" />
             <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\RegisteredApplications" Name="$(var.ProdName)" Value="SOFTWARE\$(var.ShortProdName)\Capabilities" Type="string" />
 
@@ -96,8 +92,6 @@
             <!-- Extend to the "open with" list + Win7 jump menu pinning  -->
             <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\Classes\Applications\$(var.ExeKey)\SupportedTypes" Name=".mscz" Value="" Type="string" />
             <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\Classes\Applications\$(var.ExeKey)\SupportedTypes" Name=".mscx" Value="" Type="string" />
-            <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\Classes\Applications\$(var.ExeKey)\SupportedTypes" Name=".mscz," Value="" Type="string" />
-            <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\Classes\Applications\$(var.ExeKey)\SupportedTypes" Name=".mscx," Value="" Type="string" />
             <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\Classes\Applications\$(var.ExeKey)\SupportedTypes" Name=".xml" Value="" Type="string" />
             <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\Classes\Applications\$(var.ExeKey)\SupportedTypes" Name=".musicxml" Value="" Type="string" />
             <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\Classes\Applications\$(var.ExeKey)\SupportedTypes" Name=".mxl" Value="" Type="string" />
@@ -141,23 +135,7 @@
                     <Verb Id="open" TargetFile="$(var.ExeId)" Command="Open" Argument="&quot;%1&quot;" />
                     <MIME Advertise="no" ContentType="application/x-musescore+xml" Default="no" />
                 </Extension>
-            </ProgId>
-
-            <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\Classes\MuseScore.mscz," Value="Compressed MuseScore Backup File" Type="string"/>
-            <ProgId Id="MuseScore.mscz," Description="Compressed Backup MuseScore File" Advertise="no" Icon="$(var.ExeId)" IconIndex="1">
-                <Extension Id="mscz," Advertise="no">
-                    <Verb Id="open" TargetFile="$(var.ExeId)" Command="Open" Argument="&quot;%1&quot;" />
-                    <MIME Advertise="no" ContentType="application/x-musescore" Default="yes" />
-                </Extension>
-            </ProgId>
-
-            <RegistryValue Root="$(var.RegistryRoot)" Key="SOFTWARE\Classes\MuseScore.mscx," Value="MuseScore Backup File" Type="string" />
-            <ProgId Id="MuseScore.mscx," Description="MuseScore Backup File" Advertise="no" Icon="$(var.ExeId)" IconIndex="1">
-                <Extension Id="mscx," Advertise="no">
-                    <Verb Id="open" TargetFile="$(var.ExeId)" Command="Open" Argument="&quot;%1&quot;" />
-                    <MIME Advertise="no" ContentType="application/x-musescore+xml" Default="no" />
-                </Extension>
-            </ProgId>
+            </ProgId>    
         </Component>
 
         <FeatureRef Id="ProductFeature">