diff --git a/mkosi/mkosi.conf b/mkosi/mkosi.conf
index 2fc087cb73..0fbb81eeed 100644
--- a/mkosi/mkosi.conf
+++ b/mkosi/mkosi.conf
@@ -141,7 +141,6 @@ Credentials=
         tty.virtual.tty1.agetty.autologin=root
         tty.virtual.tty1.login.noauth=yes
 RuntimeBuildSources=yes
-CPUs=2
 TPM=yes
 VSock=yes
 KVM=yes