diff --git a/Dockerfile b/Dockerfile
index 499712f..ec3c11e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/wiiu-env/devkitppc:20240505
+FROM ghcr.io/wiiu-env/devkitppc:20240704
 
 COPY --from=ghcr.io/wiiu-env/libmocha:20230621 /artifacts $DEVKITPRO
 COPY --from=ghcr.io/wiiu-env/librpxloader:20240425 /artifacts $DEVKITPRO
diff --git a/source/PairUtils.cpp b/source/PairUtils.cpp
index ca90f6d..142a2c6 100644
--- a/source/PairUtils.cpp
+++ b/source/PairUtils.cpp
@@ -140,8 +140,6 @@ PairMenu::~PairMenu() {
     CCRSysExit();
 }
 
-extern "C" bool WPADStartSyncDevice();
-
 bool PairMenu::ProcessPairScreen() {
     switch (mState) {
         case STATE_SYNC_WPAD: {
diff --git a/source/QuickStartUtils.cpp b/source/QuickStartUtils.cpp
index a524663..a37a638 100644
--- a/source/QuickStartUtils.cpp
+++ b/source/QuickStartUtils.cpp
@@ -21,7 +21,6 @@
 #include <sysapp/title.h>
 
 extern "C" void __fini_wut();
-extern "C" void CCRSysCaffeineBootCheckAbort();
 
 #define UPPER_TITLE_ID_HOMEBREW 0x0005000F
 #define TITLE_ID_HOMEBREW_MASK  (((uint64_t) UPPER_TITLE_ID_HOMEBREW) << 32)