4 files changed, 8 insertions, 12 deletions
diff --git a/keyboards/helix/pico/matrix.c b/keyboards/helix/pico/matrix.c
index b18213d846..039cca6dcf 100644
--- a/keyboards/helix/pico/matrix.c
+++ b/keyboards/helix/pico/matrix.c
@@ -273,12 +273,6 @@ void matrix_slave_scan(void) {
 #endif
 }
 
-bool matrix_is_modified(void)
-{
-    if (debouncing) return false;
-    return true;
-}
-
 inline
 bool matrix_is_on(uint8_t row, uint8_t col)
 {
diff --git a/keyboards/helix/pico/split_util.h b/keyboards/helix/pico/split_util.h
index b839ce6e3e..535949118a 100644
--- a/keyboards/helix/pico/split_util.h
+++ b/keyboards/helix/pico/split_util.h
@@ -14,3 +14,7 @@ void split_keyboard_setup(void);
 bool is_helix_master(void);
 
 void matrix_master_OLED_init (void);
+
+// stubs as this is handled by legacy code
+static inline void split_pre_init(void){}
+static inline void split_post_init(void){}
diff --git a/keyboards/helix/rev2/matrix.c b/keyboards/helix/rev2/matrix.c
index 8eed7e58b7..699c15358b 100644
--- a/keyboards/helix/rev2/matrix.c
+++ b/keyboards/helix/rev2/matrix.c
@@ -287,12 +287,6 @@ void matrix_slave_scan(void) {
 #endif
 }
 
-bool matrix_is_modified(void)
-{
-    if (debouncing) return false;
-    return true;
-}
-
 inline
 bool matrix_is_on(uint8_t row, uint8_t col)
 {
diff --git a/keyboards/helix/rev2/split_util.h b/keyboards/helix/rev2/split_util.h
index b839ce6e3e..535949118a 100644
--- a/keyboards/helix/rev2/split_util.h
+++ b/keyboards/helix/rev2/split_util.h
@@ -14,3 +14,7 @@ void split_keyboard_setup(void);
 bool is_helix_master(void);
 
 void matrix_master_OLED_init (void);
+
+// stubs as this is handled by legacy code
+static inline void split_pre_init(void){}
+static inline void split_post_init(void){}