diff --git a/config/kernel/kernel.config.i586-ipfire-pae b/config/kernel/kernel.config.i586-ipfire-pae
index 632a53128..7430a8ad5 100644
--- a/config/kernel/kernel.config.i586-ipfire-pae
+++ b/config/kernel/kernel.config.i586-ipfire-pae
@@ -1615,7 +1615,7 @@ CONFIG_SIS900=m
 CONFIG_EPIC100=m
 CONFIG_SMSC9420=m
 CONFIG_SUNDANCE=m
-CONFIG_SUNDANCE_MMIO=y
+# CONFIG_SUNDANCE_MMIO is not set
 CONFIG_TLAN=m
 CONFIG_KS8842=m
 CONFIG_KS8851_MLL=m
diff --git a/config/kernel/kernel.config.i586-ipfire-xen b/config/kernel/kernel.config.i586-ipfire-xen
index 6922c8353..cd0e77add 100644
--- a/config/kernel/kernel.config.i586-ipfire-xen
+++ b/config/kernel/kernel.config.i586-ipfire-xen
@@ -1408,7 +1408,7 @@ CONFIG_SIS900=m
 CONFIG_EPIC100=m
 CONFIG_SMSC9420=m
 CONFIG_SUNDANCE=m
-CONFIG_SUNDANCE_MMIO=y
+# CONFIG_SUNDANCE_MMIO is not set
 CONFIG_TLAN=m
 CONFIG_KS8842=m
 CONFIG_KS8851_MLL=m