diff --git a/sys/amd64/conf/GENERIC b/sys/amd64/conf/GENERIC
index 43c199737d5d..bf0660863179 100644
--- a/sys/amd64/conf/GENERIC
+++ b/sys/amd64/conf/GENERIC
@@ -107,12 +107,6 @@ device		pass0		# Passthrough device (direct SCSI access)
 device		amr0		# AMI MegaRAID
 device		mlx0		# Mylex DAC960 family
 
-# Proprietary or custom CD-ROM Interfaces
-device		wt0	at isa? port 0x300 irq 5 drq 1
-device		mcd0	at isa? port 0x300 irq 10
-device		matcd0	at isa? port 0x230
-device		scd0	at isa? port 0x230
-
 # atkbdc0 controls both the keyboard and the PS/2 mouse
 controller	atkbdc0	at isa? port IO_KBD
 device		atkbd0	at atkbdc? irq 1
diff --git a/sys/i386/conf/GENERIC b/sys/i386/conf/GENERIC
index 43c199737d5d..bf0660863179 100644
--- a/sys/i386/conf/GENERIC
+++ b/sys/i386/conf/GENERIC
@@ -107,12 +107,6 @@ device		pass0		# Passthrough device (direct SCSI access)
 device		amr0		# AMI MegaRAID
 device		mlx0		# Mylex DAC960 family
 
-# Proprietary or custom CD-ROM Interfaces
-device		wt0	at isa? port 0x300 irq 5 drq 1
-device		mcd0	at isa? port 0x300 irq 10
-device		matcd0	at isa? port 0x230
-device		scd0	at isa? port 0x230
-
 # atkbdc0 controls both the keyboard and the PS/2 mouse
 controller	atkbdc0	at isa? port IO_KBD
 device		atkbd0	at atkbdc? irq 1