diff --git a/bricks/cityhub/pbioconfig.h b/bricks/cityhub/pbioconfig.h
index 88b367fe3..3199c900e 100644
--- a/bricks/cityhub/pbioconfig.h
+++ b/bricks/cityhub/pbioconfig.h
@@ -1,8 +1,6 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) 2019-2020 The Pybricks Authors
 
-#define PBIO_CONFIG_IOPORT_LPF2             (1)
-
 #define PBIO_CONFIG_DCMOTOR                 (1)
 #define PBIO_CONFIG_LIGHT                   (1)
 #define PBIO_CONFIG_TACHO                   (1)
diff --git a/bricks/movehub/pbioconfig.h b/bricks/movehub/pbioconfig.h
index 10daf23c9..1c070c0c7 100644
--- a/bricks/movehub/pbioconfig.h
+++ b/bricks/movehub/pbioconfig.h
@@ -1,8 +1,6 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) 2019-2020 The Pybricks Authors
 
-#define PBIO_CONFIG_IOPORT_LPF2             (1)
-
 #define PBIO_CONFIG_DCMOTOR                 (1)
 #define PBIO_CONFIG_LIGHT                   (1)
 #define PBIO_CONFIG_TACHO                   (1)
diff --git a/bricks/primehub/pbioconfig.h b/bricks/primehub/pbioconfig.h
index 52c1b1aa4..76fd7d0ba 100644
--- a/bricks/primehub/pbioconfig.h
+++ b/bricks/primehub/pbioconfig.h
@@ -1,8 +1,6 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) 2019-2020 The Pybricks Authors
 
-#define PBIO_CONFIG_IOPORT_LPF2             (1)
-
 #define PBIO_CONFIG_DCMOTOR                 (1)
 #define PBIO_CONFIG_LIGHT                   (1)
 #define PBIO_CONFIG_LIGHT_MATRIX              (1)
diff --git a/bricks/technichub/pbioconfig.h b/bricks/technichub/pbioconfig.h
index 498e56dc9..f794798d0 100644
--- a/bricks/technichub/pbioconfig.h
+++ b/bricks/technichub/pbioconfig.h
@@ -1,8 +1,6 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) 2019-2020 The Pybricks Authors
 
-#define PBIO_CONFIG_IOPORT_LPF2             (1)
-
 #define PBIO_CONFIG_DCMOTOR                 (1)
 #define PBIO_CONFIG_LIGHT                   (1)
 #define PBIO_CONFIG_TACHO                   (1)