diff --git a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/JREUtils.java b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/JREUtils.java
index 01e1b997..8fa6be05 100644
--- a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/JREUtils.java
+++ b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/JREUtils.java
@@ -226,10 +226,6 @@ public static void setJavaEnvironment(String jreHome) throws Throwable {
         envMap.put("LD_LIBRARY_PATH", LD_LIBRARY_PATH);
         envMap.put("PATH", jreHome + "/bin:" + Os.getenv("PATH"));
 
-        if (FFmpegPlugin.isAvailable) {
-            envMap.put("PATH", FFmpegPlugin.libraryPath + ":" + Os.getenv("PATH"));
-        }
-
         envMap.put("AWTSTUB_WIDTH", Integer.toString(CallbackBridge.windowWidth > 0 ? CallbackBridge.windowWidth : CallbackBridge.physicalWidth));
         envMap.put("AWTSTUB_HEIGHT", Integer.toString(CallbackBridge.windowHeight > 0 ? CallbackBridge.windowHeight : CallbackBridge.physicalHeight));
 
@@ -428,10 +424,6 @@ public static int launchJavaVM(final Activity activity, final Runtime runtime, F
         JREUtils.relocateLibPath(runtime, runtimeHome);
 
         setJavaEnvironment(runtimeHome);
-        if (runtime.javaVersion > 11) {
-            String libName = runtime.javaVersion == 17 ? "/libjsph17.so" : "/libjsph21.so";
-            Os.setenv("JSP", NATIVE_LIB_DIR + libName, true);
-        }
 
         final String graphicsLib = loadGraphicsLibrary();
         if (LOCAL_RENDERER != null && !LOCAL_RENDERER.startsWith("opengles"))
diff --git a/app_pojavlauncher/src/main/jni/input_bridge_v3.c b/app_pojavlauncher/src/main/jni/input_bridge_v3.c
index 8bfd1cca..4dff47f3 100644
--- a/app_pojavlauncher/src/main/jni/input_bridge_v3.c
+++ b/app_pojavlauncher/src/main/jni/input_bridge_v3.c
@@ -221,13 +221,6 @@ void sendData(int type, int i1, int i2, int i3, int i4) {
     atomic_fetch_add_explicit(&pojav_environ->eventCounter, 1, memory_order_acquire);
 }
 
-jbyteArray convertStr(JNIEnv *env, char *str) {
-    jsize len = (jsize) strlen(str);
-    jbyteArray arr = (*env)->NewByteArray(env, len);
-    (*env)->SetByteArrayRegion(env, arr, 0, len, (jbyte *) str);
-    return arr;
-}
-
 /**
  * Hooked version of java.lang.UNIXProcess.forkAndExec()
  * which is used to handle the "open" command.
@@ -239,10 +232,6 @@ hooked_ProcessImpl_forkAndExec(JNIEnv *env, jobject process, jint mode, jbyteArr
     // Here we only handle the "xdg-open" command
     if (strcmp(basename(pProg), "xdg-open") != 0) {
         (*env)->ReleaseByteArrayElements(env, prog, (jbyte *)pProg, 0);
-        if (getenv("JSP")) {
-            jbyteArray new_hp = convertStr(env, getenv("JSP"));
-            return orig_ProcessImpl_forkAndExec(env, process, mode, new_hp, prog, argBlock, argc, envBlock, envc, dir, std_fds, redirectErrorStream);
-        }
         return orig_ProcessImpl_forkAndExec(env, process, mode, helperpath, prog, argBlock, argc, envBlock, envc, dir, std_fds, redirectErrorStream);
     }
     (*env)->ReleaseByteArrayElements(env, prog, (jbyte *)pProg, 0);
diff --git a/app_pojavlauncher/src/main/jniLibs/arm64-v8a/libjnidispatch.so b/app_pojavlauncher/src/main/jniLibs/arm64-v8a/libjnidispatch.so
index 76b7c5fe..61fd0bea 100644
Binary files a/app_pojavlauncher/src/main/jniLibs/arm64-v8a/libjnidispatch.so and b/app_pojavlauncher/src/main/jniLibs/arm64-v8a/libjnidispatch.so differ
diff --git a/app_pojavlauncher/src/main/jniLibs/arm64-v8a/libjsph17.so b/app_pojavlauncher/src/main/jniLibs/arm64-v8a/libjsph17.so
deleted file mode 100644
index 03f3f3c4..00000000
Binary files a/app_pojavlauncher/src/main/jniLibs/arm64-v8a/libjsph17.so and /dev/null differ
diff --git a/app_pojavlauncher/src/main/jniLibs/arm64-v8a/libjsph21.so b/app_pojavlauncher/src/main/jniLibs/arm64-v8a/libjsph21.so
deleted file mode 100644
index 874e8c35..00000000
Binary files a/app_pojavlauncher/src/main/jniLibs/arm64-v8a/libjsph21.so and /dev/null differ