diff --git a/keyboards/bastardkb/charybdis/3x5/v2/splinky_2/rules.mk b/keyboards/bastardkb/charybdis/3x5/v2/splinky_2/rules.mk
index 80098fbbf67..87a2d912b89 100644
--- a/keyboards/bastardkb/charybdis/3x5/v2/splinky_2/rules.mk
+++ b/keyboards/bastardkb/charybdis/3x5/v2/splinky_2/rules.mk
@@ -1,7 +1,3 @@
-# RP2040-specific options
-ALLOW_WARNINGS = yes
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/bastardkb/charybdis/3x5/v2/splinky_3/rules.mk b/keyboards/bastardkb/charybdis/3x5/v2/splinky_3/rules.mk
index 80098fbbf67..87a2d912b89 100644
--- a/keyboards/bastardkb/charybdis/3x5/v2/splinky_3/rules.mk
+++ b/keyboards/bastardkb/charybdis/3x5/v2/splinky_3/rules.mk
@@ -1,7 +1,3 @@
-# RP2040-specific options
-ALLOW_WARNINGS = yes
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/bastardkb/charybdis/3x6/v2/splinky_2/rules.mk b/keyboards/bastardkb/charybdis/3x6/v2/splinky_2/rules.mk
index 80098fbbf67..87a2d912b89 100644
--- a/keyboards/bastardkb/charybdis/3x6/v2/splinky_2/rules.mk
+++ b/keyboards/bastardkb/charybdis/3x6/v2/splinky_2/rules.mk
@@ -1,7 +1,3 @@
-# RP2040-specific options
-ALLOW_WARNINGS = yes
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/bastardkb/charybdis/3x6/v2/splinky_3/rules.mk b/keyboards/bastardkb/charybdis/3x6/v2/splinky_3/rules.mk
index 80098fbbf67..87a2d912b89 100644
--- a/keyboards/bastardkb/charybdis/3x6/v2/splinky_3/rules.mk
+++ b/keyboards/bastardkb/charybdis/3x6/v2/splinky_3/rules.mk
@@ -1,7 +1,3 @@
-# RP2040-specific options
-ALLOW_WARNINGS = yes
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/bastardkb/charybdis/4x6/v2/splinky_2/rules.mk b/keyboards/bastardkb/charybdis/4x6/v2/splinky_2/rules.mk
index 80098fbbf67..87a2d912b89 100644
--- a/keyboards/bastardkb/charybdis/4x6/v2/splinky_2/rules.mk
+++ b/keyboards/bastardkb/charybdis/4x6/v2/splinky_2/rules.mk
@@ -1,7 +1,3 @@
-# RP2040-specific options
-ALLOW_WARNINGS = yes
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/bastardkb/charybdis/4x6/v2/splinky_3/rules.mk b/keyboards/bastardkb/charybdis/4x6/v2/splinky_3/rules.mk
index 80098fbbf67..87a2d912b89 100644
--- a/keyboards/bastardkb/charybdis/4x6/v2/splinky_3/rules.mk
+++ b/keyboards/bastardkb/charybdis/4x6/v2/splinky_3/rules.mk
@@ -1,7 +1,3 @@
-# RP2040-specific options
-ALLOW_WARNINGS = yes
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/bastardkb/dilemma/3x5_2/assembled/rules.mk b/keyboards/bastardkb/dilemma/3x5_2/assembled/rules.mk
index 5db74a9d847..b4722fc8e6a 100644
--- a/keyboards/bastardkb/dilemma/3x5_2/assembled/rules.mk
+++ b/keyboards/bastardkb/dilemma/3x5_2/assembled/rules.mk
@@ -22,6 +22,3 @@ POINTING_DEVICE_ENABLE = yes
 POINTING_DEVICE_DRIVER = cirque_pinnacle_spi # Assembled version uses SPI.
 
 SPLIT_KEYBOARD = yes
-
-# RP2040-specific options
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
diff --git a/keyboards/bastardkb/dilemma/3x5_2/splinky/rules.mk b/keyboards/bastardkb/dilemma/3x5_2/splinky/rules.mk
index 1e33cc10865..227d42fa24d 100644
--- a/keyboards/bastardkb/dilemma/3x5_2/splinky/rules.mk
+++ b/keyboards/bastardkb/dilemma/3x5_2/splinky/rules.mk
@@ -22,6 +22,3 @@ POINTING_DEVICE_ENABLE = yes
 POINTING_DEVICE_DRIVER = cirque_pinnacle_i2c # DIY version uses I2C.
 
 SPLIT_KEYBOARD = yes
-
-# RP2040-specific options
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
diff --git a/keyboards/bastardkb/dilemma/3x5_3/rules.mk b/keyboards/bastardkb/dilemma/3x5_3/rules.mk
index 2b52cffbf70..3cdb41160c2 100644
--- a/keyboards/bastardkb/dilemma/3x5_3/rules.mk
+++ b/keyboards/bastardkb/dilemma/3x5_3/rules.mk
@@ -22,6 +22,3 @@ POINTING_DEVICE_ENABLE = yes
 POINTING_DEVICE_DRIVER = cirque_pinnacle_spi
 
 SPLIT_KEYBOARD = yes
-
-# RP2040-specific options
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
diff --git a/keyboards/bastardkb/scylla/v2/splinky_2/rules.mk b/keyboards/bastardkb/scylla/v2/splinky_2/rules.mk
index 274e95c039d..53f4c0baa87 100644
--- a/keyboards/bastardkb/scylla/v2/splinky_2/rules.mk
+++ b/keyboards/bastardkb/scylla/v2/splinky_2/rules.mk
@@ -1,7 +1,3 @@
-# RP2040-specific options
-ALLOW_WARNINGS = yes
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/bastardkb/scylla/v2/splinky_3/rules.mk b/keyboards/bastardkb/scylla/v2/splinky_3/rules.mk
index 274e95c039d..53f4c0baa87 100644
--- a/keyboards/bastardkb/scylla/v2/splinky_3/rules.mk
+++ b/keyboards/bastardkb/scylla/v2/splinky_3/rules.mk
@@ -1,7 +1,3 @@
-# RP2040-specific options
-ALLOW_WARNINGS = yes
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/bastardkb/skeletyl/v2/splinky_2/rules.mk b/keyboards/bastardkb/skeletyl/v2/splinky_2/rules.mk
index 274e95c039d..53f4c0baa87 100644
--- a/keyboards/bastardkb/skeletyl/v2/splinky_2/rules.mk
+++ b/keyboards/bastardkb/skeletyl/v2/splinky_2/rules.mk
@@ -1,7 +1,3 @@
-# RP2040-specific options
-ALLOW_WARNINGS = yes
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/bastardkb/skeletyl/v2/splinky_3/rules.mk b/keyboards/bastardkb/skeletyl/v2/splinky_3/rules.mk
index 274e95c039d..53f4c0baa87 100644
--- a/keyboards/bastardkb/skeletyl/v2/splinky_3/rules.mk
+++ b/keyboards/bastardkb/skeletyl/v2/splinky_3/rules.mk
@@ -1,7 +1,3 @@
-# RP2040-specific options
-ALLOW_WARNINGS = yes
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/bastardkb/tbkmini/v2/splinky_2/rules.mk b/keyboards/bastardkb/tbkmini/v2/splinky_2/rules.mk
index 274e95c039d..53f4c0baa87 100644
--- a/keyboards/bastardkb/tbkmini/v2/splinky_2/rules.mk
+++ b/keyboards/bastardkb/tbkmini/v2/splinky_2/rules.mk
@@ -1,7 +1,3 @@
-# RP2040-specific options
-ALLOW_WARNINGS = yes
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/bastardkb/tbkmini/v2/splinky_3/rules.mk b/keyboards/bastardkb/tbkmini/v2/splinky_3/rules.mk
index 274e95c039d..53f4c0baa87 100644
--- a/keyboards/bastardkb/tbkmini/v2/splinky_3/rules.mk
+++ b/keyboards/bastardkb/tbkmini/v2/splinky_3/rules.mk
@@ -1,7 +1,3 @@
-# RP2040-specific options
-ALLOW_WARNINGS = yes
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/crowboard/rules.mk b/keyboards/crowboard/rules.mk
index 37ad1d4c607..6e7633bfe01 100644
--- a/keyboards/crowboard/rules.mk
+++ b/keyboards/crowboard/rules.mk
@@ -1 +1 @@
-PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS!
+# This file intentionally left blank