diff --git a/target/snitch_cluster/cfg/dma_mchan.hjson b/target/snitch_cluster/cfg/dma_mchan.hjson
index ef551a2d21..79368920fc 100644
--- a/target/snitch_cluster/cfg/dma_mchan.hjson
+++ b/target/snitch_cluster/cfg/dma_mchan.hjson
@@ -4,11 +4,6 @@
 
 // Cluster configuration for a simple testbench system.
 {
-    nr_s1_quadrant: 1,
-    s1_quadrant: {
-        nr_clusters: 1,
-    },
-
     cluster: {
         boot_addr: 4096, // 0x1000
         cluster_base_addr: 268435456, // 0x1000_0000
@@ -23,6 +18,7 @@
         },
         cluster_periph_size: 64, // kB
         zero_mem_size: 64, // kB
+        boot_rom_size: 4, // kB
         alias_region_enable: true,
         dma_data_width: 512,
         dma_nr_channels: 4,