diff --git a/theme_cobalt/data/ir_asset.xml b/theme_cobalt/data/ir_asset.xml
index 179ed8dd3..335793bba 100644
--- a/theme_cobalt/data/ir_asset.xml
+++ b/theme_cobalt/data/ir_asset.xml
@@ -6,7 +6,6 @@
             <field name="key">theme_cobalt.primary_variables_scss</field>
             <field name="name">Primary variables SCSS</field>
             <field name="bundle">web._assets_primary_variables</field>
-            <field name="directive">prepend</field>
             <field name="glob">theme_cobalt/static/src/scss/primary_variables.scss</field>
         </record>
 
diff --git a/theme_paptic/data/ir_asset.xml b/theme_paptic/data/ir_asset.xml
index 374283158..26b2c263b 100644
--- a/theme_paptic/data/ir_asset.xml
+++ b/theme_paptic/data/ir_asset.xml
@@ -6,7 +6,6 @@
             <field name="key">theme_paptic.primary_variables_scss</field>
             <field name="name">Primary variables SCSS</field>
             <field name="bundle">web._assets_primary_variables</field>
-            <field name="directive">prepend</field>
             <field name="glob">theme_paptic/static/src/scss/primary_variables.scss</field>
         </record>