diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index edf32f08..48ca4417 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -67,6 +67,7 @@ android {
     externalNativeBuild {
         cmake {
             path = file("CMakeLists.txt")
+            version = "3.18.1"
         }
     }
     compileOptions {
diff --git a/app/src/main/assets/bios/drastic_bios_arm7.bin b/app/src/main/assets/bios/drastic_bios_arm7.bin
deleted file mode 100644
index 7f13f608..00000000
Binary files a/app/src/main/assets/bios/drastic_bios_arm7.bin and /dev/null differ
diff --git a/app/src/main/assets/bios/drastic_bios_arm9.bin b/app/src/main/assets/bios/drastic_bios_arm9.bin
deleted file mode 100644
index af19b42f..00000000
Binary files a/app/src/main/assets/bios/drastic_bios_arm9.bin and /dev/null differ
diff --git a/app/src/main/assets/bios/drastic_bios_readme.txt b/app/src/main/assets/bios/drastic_bios_readme.txt
deleted file mode 100644
index bfbe9333..00000000
--- a/app/src/main/assets/bios/drastic_bios_readme.txt
+++ /dev/null
@@ -1,36 +0,0 @@
-Custom NDS ARM7/ARM9 BIOS replacement
-Copyright (c) 2013, Gilead Kutnick
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
-
-1) Redistributions of source code must retain the above copyright notice,
-   this list of conditions and the following disclaimer.
-2) Redistributions in binary form must reproduce the above copyright notice,
-   this list of conditions and the following disclaimer in the documentation
-   and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
-
--- Info --
-
-This archive contains source code and assembly for a custom BIOS replacement
-for the Nintendo DS system. This code is in no way affiliated with Nintendo
-and is not derived from Nintendo's BIOS implementation but has been implemented
-using publically available documentation.
-
-It can be assembled using the included Makefile along with a proper ARM gcc
-toolchain. Change the first four lines to point to the proper toolchain of your
-choice.
-
diff --git a/melonDS-android-lib b/melonDS-android-lib
index 53051469..fef27709 160000
--- a/melonDS-android-lib
+++ b/melonDS-android-lib
@@ -1 +1 @@
-Subproject commit 53051469e92c2452f78bedab4a2003b9a736c768
+Subproject commit fef27709eda604475225577c7b06a72d88d40820