diff --git a/keyboards/helix/rev2/config.h b/keyboards/helix/rev2/config.h
index 42878d5c0c..5905627760 100644
--- a/keyboards/helix/rev2/config.h
+++ b/keyboards/helix/rev2/config.h
@@ -29,21 +29,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define PRODUCT         Helix Beta
 #define DESCRIPTION     A split keyboard for the cheap makers
 
-#define HELIX_ROWS 5
-
-/* key matrix size */
-// Rows are doubled-up
-#if  HELIX_ROWS == 4
-  #define MATRIX_ROWS 8
-  #define MATRIX_COLS 7
-  #define MATRIX_ROW_PINS { D4, C6, D7, E6 }
-#elif HELIX_ROWS == 5
-  #define MATRIX_ROWS 10
-  #define MATRIX_COLS 7
-  #define MATRIX_ROW_PINS { D4, C6, D7, E6, B4 }
-#else
-  #error "expected HELIX_ROWS 4 or 5"
-#endif
 
 // wiring of each half
 #define MATRIX_COL_PINS { F4, F5, F6, F7, B1, B3, B2 }
diff --git a/keyboards/helix/rev2/keymaps/default/config.h b/keyboards/helix/rev2/keymaps/default/config.h
index 1b3875fcd6..5d8e37f645 100644
--- a/keyboards/helix/rev2/keymaps/default/config.h
+++ b/keyboards/helix/rev2/keymaps/default/config.h
@@ -37,6 +37,24 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 //#define SSD1306OLED
 
+/* Select rows configuration */
+// Rows are 4 or 5
+#define HELIX_ROWS 5
+
+/* key matrix size */
+// Rows are doubled-up
+#if  HELIX_ROWS == 4
+  #define MATRIX_ROWS 8
+  #define MATRIX_COLS 7
+  #define MATRIX_ROW_PINS { D4, C6, D7, E6 }
+#elif HELIX_ROWS == 5
+  #define MATRIX_ROWS 10
+  #define MATRIX_COLS 7
+  #define MATRIX_ROW_PINS { D4, C6, D7, E6, B4 }
+#else
+  #error "expected HELIX_ROWS 4 or 5"
+#endif
+
 #define USE_SERIAL_PD2
 
 #define PREVENT_STUCK_MODIFIERS