diff --git a/plist b/plist
index bc76bdfb8d..98942b9bed 100644
--- a/plist
+++ b/plist
@@ -751,6 +751,7 @@
 /usr/local/opnsense/mvc/app/models/OPNsense/IDS/Migrations/M1_0_2.php
 /usr/local/opnsense/mvc/app/models/OPNsense/IDS/Migrations/M1_0_6.php
 /usr/local/opnsense/mvc/app/models/OPNsense/IDS/Migrations/M1_0_7.php
+/usr/local/opnsense/mvc/app/models/OPNsense/IDS/Migrations/M1_1_1.php
 /usr/local/opnsense/mvc/app/models/OPNsense/IPsec/ACL/ACL.xml
 /usr/local/opnsense/mvc/app/models/OPNsense/IPsec/FieldTypes/CharonLogLevelField.php
 /usr/local/opnsense/mvc/app/models/OPNsense/IPsec/FieldTypes/ConnnectionField.php
diff --git a/src/opnsense/mvc/app/models/OPNsense/IDS/IDS.xml b/src/opnsense/mvc/app/models/OPNsense/IDS/IDS.xml
index ea0412fb3f..4c63fc5814 100644
--- a/src/opnsense/mvc/app/models/OPNsense/IDS/IDS.xml
+++ b/src/opnsense/mvc/app/models/OPNsense/IDS/IDS.xml
@@ -1,6 +1,6 @@
 <model>
     <mount>//OPNsense/IDS</mount>
-    <version>1.1.0</version>
+    <version>1.1.1</version>
     <description>Intrusion detection</description>
     <items>
         <rules>
@@ -195,7 +195,6 @@
                 <BlankDesc>Default</BlankDesc>
                 <OptionValues>
                     <ac>Aho-Corasick</ac>
-                    <ac-bs>Aho-Corasick, reduced memory implementation</ac-bs>
                     <ac-ks>Aho-Corasick, "Ken Steele" variant</ac-ks>
                     <hs>Hyperscan</hs>
                 </OptionValues>
diff --git a/src/opnsense/mvc/app/models/OPNsense/IDS/Migrations/M1_1_1.php b/src/opnsense/mvc/app/models/OPNsense/IDS/Migrations/M1_1_1.php
new file mode 100644
index 0000000000..d0a6083f56
--- /dev/null
+++ b/src/opnsense/mvc/app/models/OPNsense/IDS/Migrations/M1_1_1.php
@@ -0,0 +1,48 @@
+<?php
+
+/*
+ * Copyright (C) 2025 Deciso B.V.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace OPNsense\IDS\Migrations;
+
+use OPNsense\Base\BaseModelMigration;
+use OPNSense\IDS\IDS;
+
+class M1_1_1 extends BaseModelMigration
+{
+    /**
+     * Migrations for version 8
+     * @param IDS $model
+     */
+    public function run($model)
+    {
+        if ($model->general->MPMAlgo->isEqual('ac-bs')) {
+            $model->general->MPMAlgo = '';
+        }
+
+        parent::run($model);
+    }
+}
diff --git a/src/opnsense/service/templates/OPNsense/IDS/suricata.yaml b/src/opnsense/service/templates/OPNsense/IDS/suricata.yaml
index 481c3281c8..d72b6b875d 100644
--- a/src/opnsense/service/templates/OPNsense/IDS/suricata.yaml
+++ b/src/opnsense/service/templates/OPNsense/IDS/suricata.yaml
@@ -1745,7 +1745,6 @@ detect:
 #
 # The supported algorithms are:
 # "ac"      - Aho-Corasick, default implementation
-# "ac-bs"   - Aho-Corasick, reduced memory implementation
 # "ac-ks"   - Aho-Corasick, "Ken Steele" variant
 # "hs"      - Hyperscan, available when built with Hyperscan support
 #