7 files changed, 22 insertions, 36 deletions
diff --git a/keyboards/deltasplit75/config.h b/keyboards/deltasplit75/config.h
index 89d328be64..8a2fbb3b26 100644
--- a/keyboards/deltasplit75/config.h
+++ b/keyboards/deltasplit75/config.h
@@ -20,10 +20,4 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "config_common.h"
 
-#ifdef SUBPROJECT_protosplit
-    #include "protosplit/config.h"
-#endif
-#ifdef SUBPROJECT_v2
-    #include "v2/config.h"
-#endif
 #endif
diff --git a/keyboards/deltasplit75/deltasplit75.h b/keyboards/deltasplit75/deltasplit75.h
index 9db16c78c2..79d018c912 100644
--- a/keyboards/deltasplit75/deltasplit75.h
+++ b/keyboards/deltasplit75/deltasplit75.h
@@ -1,12 +1,7 @@
 #ifndef DELTASPLIT75_H
 #define DELTASPLIT75_H
 
-#ifdef SUBPROJECT_v2
-    #include "v2.h"
-#endif
-#ifdef SUBPROJECT_protosplit
-    #include "protosplit.h"
-#endif
+#include "v2.h"
 
 #include "quantum.h"
 
diff --git a/keyboards/deltasplit75/readme.md b/keyboards/deltasplit75/readme.md
index a1e35e3378..f911f78714 100644
--- a/keyboards/deltasplit75/readme.md
+++ b/keyboards/deltasplit75/readme.md
@@ -9,7 +9,7 @@ Hardware Availability: Group Buy
 
 Make example for this keyboard (after setting up your build environment):
 
-    make deltasplit75-v2-default
+    make deltasplit75/v2:default
 
 See [build environment setup](https://docs.qmk.fm/build_environment_setup.html) then the [make instructions](https://docs.qmk.fm/make_instructions.html) for more information.
 
diff --git a/keyboards/deltasplit75/rules.mk b/keyboards/deltasplit75/rules.mk
index 1aee5313c1..e345d61f56 100644
--- a/keyboards/deltasplit75/rules.mk
+++ b/keyboards/deltasplit75/rules.mk
@@ -55,21 +55,23 @@ OPT_DEFS += -DBOOTLOADER_SIZE=4096
 #   change to "no" to disable the options, or define them in the Makefile in
 #   the appropriate keymap folder that will get included automatically
 #
-BOOTMAGIC_ENABLE ?= no       # Virtual DIP switch configuration(+1000)
-MOUSEKEY_ENABLE ?= yes       # Mouse keys(+4700)
-EXTRAKEY_ENABLE ?= yes       # Audio control and System control(+450)
-CONSOLE_ENABLE ?= no         # Console for debug(+400)
-COMMAND_ENABLE ?= yes        # Commands for debug and configuration
-NKRO_ENABLE ?= no            # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
-BACKLIGHT_ENABLE ?= no      # Enable keyboard backlight functionality
-MIDI_ENABLE ?= no            # MIDI controls
-AUDIO_ENABLE ?= no           # Audio output on port C6
-UNICODE_ENABLE ?= no         # Unicode
-BLUETOOTH_ENABLE ?= no       # Enable Bluetooth with the Adafruit EZ-Key HID
-RGBLIGHT_ENABLE ?= no       # Enable WS2812 RGB underlight.  Do not enable this with audio at the same time.
-SUBPROJECT_rev1 ?= yes
-USE_I2C ?= yes
+BOOTMAGIC_ENABLE = no       # Virtual DIP switch configuration(+1000)
+MOUSEKEY_ENABLE = yes       # Mouse keys(+4700)
+EXTRAKEY_ENABLE = yes       # Audio control and System control(+450)
+CONSOLE_ENABLE = no         # Console for debug(+400)
+COMMAND_ENABLE = yes        # Commands for debug and configuration
+NKRO_ENABLE = no            # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+BACKLIGHT_ENABLE = no      # Enable keyboard backlight functionality
+MIDI_ENABLE = no            # MIDI controls
+AUDIO_ENABLE = no           # Audio output on port C6
+UNICODE_ENABLE = no         # Unicode
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+RGBLIGHT_ENABLE = no       # Enable WS2812 RGB underlight.  Do not enable this with audio at the same time.
+SUBPROJECT_rev1 = yes
+USE_I2C = yes
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
-SLEEP_LED_ENABLE ?= no    # Breathing sleep LED during USB suspend
+SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
 
 CUSTOM_MATRIX = yes
+
+DEFAULT_FOLDER = deltasplit75/v2
+\ No newline at end of file
diff --git a/keyboards/deltasplit75/subproject.mk b/keyboards/deltasplit75/subproject.mk
deleted file mode 100644
index 298067e5d8..0000000000
--- a/keyboards/deltasplit75/subproject.mk
+++ /dev/null
@@ -1 +0,0 @@
-SUBPROJECT_DEFAULT = v2
diff --git a/keyboards/deltasplit75/v2/config.h b/keyboards/deltasplit75/v2/config.h
index 0f4b806e2d..b677d09aa9 100644
--- a/keyboards/deltasplit75/v2/config.h
+++ b/keyboards/deltasplit75/v2/config.h
@@ -15,8 +15,8 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef CONFIG_H
-#define CONFIG_H
+#ifndef CONFIG_V2_H
+#define CONFIG_V2_H
 
 #include "config_common.h"
 
diff --git a/keyboards/deltasplit75/v2/rules.mk b/keyboards/deltasplit75/v2/rules.mk
index 80a942d06f..f845616741 100644
--- a/keyboards/deltasplit75/v2/rules.mk
+++ b/keyboards/deltasplit75/v2/rules.mk
@@ -1,5 +1 @@
-BACKLIGHT_ENABLE = no
-
-ifndef QUANTUM_DIR
-	include ../../../Makefile
-endif
+BACKLIGHT_ENABLE = no
+\ No newline at end of file