diff --git a/lib/toaster/orm/fixtures/gen_fixtures.py b/lib/toaster/orm/fixtures/gen_fixtures.py
index c5b0ab7a7..4b87ba0ba 100755
--- a/lib/toaster/orm/fixtures/gen_fixtures.py
+++ b/lib/toaster/orm/fixtures/gen_fixtures.py
@@ -43,7 +43,7 @@ current_releases = [
     # Release slot #4
     ['Whinlatter','5.3','October 2025','5.3.0 (October 2024)','Support for 7 months (until May 2026)','','2.14'],
     ['Walnascar','5.2','April 2025','5.2.0 (April 2025)','Support for 7 months (until October 2025)','','2.12'],
-    ['Styhead','5.1','November 2024','5.1.0 (November 2024)','Support for 7 months (until May 2025)','','2.10'],
+    #['Styhead','5.1','November 2024','5.1.0 (November 2024)','Support for 7 months (until May 2025)','','2.10'],
     #['Nanbield','4.3','November 2023','4.3.0 (November 2023)','Support for 7 months (until May 2024)','','2.6'],
     #['Mickledore','4.2','April 2023','4.2.0 (April 2023)','Support for 7 months (until October 2023)','','2.4'],
     #['Langdale','4.1','October 2022','4.1.2 (January 2023)','Support for 7 months (until May 2023)','','2.2'],
diff --git a/lib/toaster/orm/fixtures/oe-core.xml b/lib/toaster/orm/fixtures/oe-core.xml
index 264231d13..7c758400c 100644
--- a/lib/toaster/orm/fixtures/oe-core.xml
+++ b/lib/toaster/orm/fixtures/oe-core.xml
@@ -33,11 +33,6 @@
     <field type="CharField" name="branch">2.12</field>
   </object>
   <object model="orm.bitbakeversion" pk="6">
-    <field type="CharField" name="name">styhead</field>
-    <field type="CharField" name="giturl">git://git.openembedded.org/bitbake</field>
-    <field type="CharField" name="branch">2.10</field>
-  </object>
-  <object model="orm.bitbakeversion" pk="7">
     <field type="CharField" name="name">kirkstone</field>
     <field type="CharField" name="giturl">git://git.openembedded.org/bitbake</field>
     <field type="CharField" name="branch">2.0</field>
@@ -80,16 +75,9 @@
     <field type="TextField" name="helptext">Toaster will run your builds using the tip of the &lt;a href=\https://cgit.openembedded.org/openembedded-core/log/?h=walnascar\&gt;OpenEmbedded Walnascar&lt;/a&gt; branch.</field>
   </object>
   <object model="orm.release" pk="6">
-    <field type="CharField" name="name">styhead</field>
-    <field type="CharField" name="description">Openembedded Styhead</field>
-    <field rel="ManyToOneRel" to="orm.bitbakeversion" name="bitbake_version">6</field>
-    <field type="CharField" name="branch_name">styhead</field>
-    <field type="TextField" name="helptext">Toaster will run your builds using the tip of the &lt;a href=\https://cgit.openembedded.org/openembedded-core/log/?h=styhead\&gt;OpenEmbedded Styhead&lt;/a&gt; branch.</field>
-  </object>
-  <object model="orm.release" pk="7">
     <field type="CharField" name="name">kirkstone</field>
     <field type="CharField" name="description">Openembedded Kirkstone</field>
-    <field rel="ManyToOneRel" to="orm.bitbakeversion" name="bitbake_version">7</field>
+    <field rel="ManyToOneRel" to="orm.bitbakeversion" name="bitbake_version">6</field>
     <field type="CharField" name="branch_name">kirkstone</field>
     <field type="TextField" name="helptext">Toaster will run your builds using the tip of the &lt;a href=\https://cgit.openembedded.org/openembedded-core/log/?h=kirkstone\&gt;OpenEmbedded Kirkstone&lt;/a&gt; branch.</field>
   </object>
@@ -119,10 +107,6 @@
     <field rel="ManyToOneRel" to="orm.release" name="release">6</field>
     <field type="CharField" name="layer_name">openembedded-core</field>
   </object>
-  <object model="orm.releasedefaultlayer" pk="7">
-    <field rel="ManyToOneRel" to="orm.release" name="release">7</field>
-    <field type="CharField" name="layer_name">openembedded-core</field>
-  </object>

   <!-- Layer for the Local release -->
diff --git a/lib/toaster/orm/fixtures/poky.xml b/lib/toaster/orm/fixtures/poky.xml
index 34b83e971..a8a5a7aeb 100644
--- a/lib/toaster/orm/fixtures/poky.xml
+++ b/lib/toaster/orm/fixtures/poky.xml
@@ -38,12 +38,6 @@
     <field type="CharField" name="dirpath"></field>
   </object>
   <object model="orm.bitbakeversion" pk="6">
-    <field type="CharField" name="name">styhead</field>
-    <field type="CharField" name="giturl">git://git.openembedded.org/bitbake</field>
-    <field type="CharField" name="branch">2.10</field>
-    <field type="CharField" name="dirpath"></field>
-  </object>
-  <object model="orm.bitbakeversion" pk="7">
     <field type="CharField" name="name">kirkstone</field>
     <field type="CharField" name="giturl">git://git.openembedded.org/bitbake</field>
     <field type="CharField" name="branch">2.0</field>
@@ -88,16 +82,9 @@
     <field type="TextField" name="helptext">Toaster will run your builds using the tip of the &lt;a href=https://git.yoctoproject.org/cgit/cgit.cgi/poky/log/?h=walnascar&gt;Yocto Project Walnascar branch&lt;/a&gt;.</field>
   </object>
   <object model="orm.release" pk="6">
-    <field type="CharField" name="name">styhead</field>
-    <field type="CharField" name="description">Yocto Project 5.1 "Styhead"</field>
-    <field rel="ManyToOneRel" to="orm.bitbakeversion" name="bitbake_version">6</field>
-    <field type="CharField" name="branch_name">styhead</field>
-    <field type="TextField" name="helptext">Toaster will run your builds using the tip of the &lt;a href=https://git.yoctoproject.org/cgit/cgit.cgi/poky/log/?h=styhead&gt;Yocto Project Styhead branch&lt;/a&gt;.</field>
-  </object>
-  <object model="orm.release" pk="7">
     <field type="CharField" name="name">kirkstone</field>
     <field type="CharField" name="description">Yocto Project 4.0 "Kirkstone"</field>
-    <field rel="ManyToOneRel" to="orm.bitbakeversion" name="bitbake_version">7</field>
+    <field rel="ManyToOneRel" to="orm.bitbakeversion" name="bitbake_version">6</field>
     <field type="CharField" name="branch_name">kirkstone</field>
     <field type="TextField" name="helptext">Toaster will run your builds using the tip of the &lt;a href=https://git.yoctoproject.org/cgit/cgit.cgi/poky/log/?h=kirkstone&gt;Yocto Project Kirkstone branch&lt;/a&gt;.</field>
   </object>
@@ -175,18 +162,6 @@
     <field rel="ManyToOneRel" to="orm.release" name="release">6</field>
     <field type="CharField" name="layer_name">meta-yocto-bsp</field>
   </object>
-  <object model="orm.releasedefaultlayer" pk="19">
-    <field rel="ManyToOneRel" to="orm.release" name="release">7</field>
-    <field type="CharField" name="layer_name">openembedded-core</field>
-  </object>
-  <object model="orm.releasedefaultlayer" pk="20">
-    <field rel="ManyToOneRel" to="orm.release" name="release">7</field>
-    <field type="CharField" name="layer_name">meta-poky</field>
-  </object>
-  <object model="orm.releasedefaultlayer" pk="21">
-    <field rel="ManyToOneRel" to="orm.release" name="release">7</field>
-    <field type="CharField" name="layer_name">meta-yocto-bsp</field>
-  </object>
   <!-- Default layers provided by poky
        openembedded-core
@@ -241,13 +216,6 @@