diff --git a/src/core/libraries/kernel/libkernel.cpp b/src/core/libraries/kernel/libkernel.cpp
index ef2f48f05..19da85bab 100644
--- a/src/core/libraries/kernel/libkernel.cpp
+++ b/src/core/libraries/kernel/libkernel.cpp
@@ -262,18 +262,8 @@ int PS4_SYSV_ABI sceKernelDebugRaiseException() {
     return 0;
 }
 
-char PS4_SYSV_ABI _is_signal_return(s64* param_1) {
-    char cVar1;
-
-    if (((*param_1 != 0x48006a40247c8d48ULL) || (param_1[1] != 0x50f000001a1c0c7ULL)) ||
-        (cVar1 = '\x01', (param_1[2] & 0xffffffU) != 0xfdebf4)) {
-        cVar1 = ((*(u64*)((s64)param_1 + -5) & 0xffffffffff) == 0x50fca8949) * '\x02';
-    }
-    return cVar1;
-}
-
 int PS4_SYSV_ABI sceKernelGetCpumode() {
-    return 5;
+    return 0;
 }
 
 void PS4_SYSV_ABI sched_yield() {
@@ -347,7 +337,6 @@ void LibKernel_Register(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("-o5uEDpN+oY", "libkernel", 1, "libkernel", 1, 1, sceKernelConvertUtcToLocaltime);
     LIB_FUNCTION("WB66evu8bsU", "libkernel", 1, "libkernel", 1, 1, sceKernelGetCompiledSdkVersion);
     LIB_FUNCTION("DRuBt2pvICk", "libkernel", 1, "libkernel", 1, 1, ps4__read);
-    LIB_FUNCTION("crb5j7mkk1c", "libkernel", 1, "libkernel", 1, 1, _is_signal_return);
 
     Libraries::Kernel::fileSystemSymbolsRegister(sym);
     Libraries::Kernel::timeSymbolsRegister(sym);
diff --git a/src/core/libraries/kernel/thread_management.cpp b/src/core/libraries/kernel/thread_management.cpp
index dbc775480..3d6562671 100644
--- a/src/core/libraries/kernel/thread_management.cpp
+++ b/src/core/libraries/kernel/thread_management.cpp
@@ -1245,7 +1245,8 @@ int PS4_SYSV_ABI scePthreadGetschedparam(ScePthread thread, int* policy,
 
 int PS4_SYSV_ABI scePthreadSetschedparam(ScePthread thread, int policy,
                                          const SceKernelSchedParam* param) {
-    return pthread_setschedparam(thread->pth, policy, param);
+    LOG_ERROR(Kernel_Pthread, "(STUBBED) called policy={}, sched_priority={}", policy, param->sched_priority);
+    return ORBIS_OK;
 }
 
 int PS4_SYSV_ABI scePthreadOnce(int* once_control, void (*init_routine)(void)) {