diff --git a/src/core/libraries/videoout/video_out.cpp b/src/core/libraries/videoout/video_out.cpp
index 219d0886b..3c839dadd 100644
--- a/src/core/libraries/videoout/video_out.cpp
+++ b/src/core/libraries/videoout/video_out.cpp
@@ -104,6 +104,20 @@ s32 PS4_SYSV_ABI sceVideoOutAddVblankEvent(Kernel::SceKernelEqueue eq, s32 handl
     return ORBIS_OK;
 }
 
+s32 PS4_SYSV_ABI sceVideoOutDeleteVblankEvent(Kernel::SceKernelEqueue eq, s32 handle) {
+    auto* port = driver->GetPort(handle);
+    if (port == nullptr) {
+        return ORBIS_VIDEO_OUT_ERROR_INVALID_HANDLE;
+    }
+
+    if (eq == nullptr) {
+        return ORBIS_VIDEO_OUT_ERROR_INVALID_EVENT_QUEUE;
+    }
+    eq->RemoveEvent(handle, Kernel::SceKernelEvent::Filter::VideoOut);
+    port->vblank_events.erase(find(port->vblank_events.begin(), port->vblank_events.end(), eq));
+    return ORBIS_OK;
+}
+
 s32 PS4_SYSV_ABI sceVideoOutRegisterBuffers(s32 handle, s32 startIndex, void* const* addresses,
                                             s32 bufferNum, const BufferAttribute* attribute) {
     if (!addresses || !attribute) {
@@ -166,7 +180,7 @@ s32 PS4_SYSV_ABI sceVideoOutSubmitFlip(s32 handle, s32 bufferIndex, s32 flipMode
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceVideoOutGetEventId(const Kernel::SceKernelEvent* ev) {
+s32 PS4_SYSV_ABI sceVideoOutGetEventId(const Kernel::SceKernelEvent* ev) {
     if (ev == nullptr) {
         return ORBIS_VIDEO_OUT_ERROR_INVALID_ADDRESS;
     }
@@ -194,7 +208,7 @@ int PS4_SYSV_ABI sceVideoOutGetEventId(const Kernel::SceKernelEvent* ev) {
     }
 }
 
-int PS4_SYSV_ABI sceVideoOutGetEventData(const Kernel::SceKernelEvent* ev, int64_t* data) {
+s32 PS4_SYSV_ABI sceVideoOutGetEventData(const Kernel::SceKernelEvent* ev, s64* data) {
     if (ev == nullptr || data == nullptr) {
         return ORBIS_VIDEO_OUT_ERROR_INVALID_ADDRESS;
     }
@@ -211,6 +225,17 @@ int PS4_SYSV_ABI sceVideoOutGetEventData(const Kernel::SceKernelEvent* ev, int64
     return ORBIS_OK;
 }
 
+s32 PS4_SYSV_ABI sceVideoOutGetEventCount(const Kernel::SceKernelEvent* ev) {
+    if (ev == nullptr) {
+        return ORBIS_VIDEO_OUT_ERROR_INVALID_ADDRESS;
+    }
+    if (ev->filter != Kernel::SceKernelEvent::Filter::VideoOut) {
+        return ORBIS_VIDEO_OUT_ERROR_INVALID_EVENT;
+    }
+
+    return (ev->data >> 0xc) & 0xf;
+}
+
 s32 PS4_SYSV_ABI sceVideoOutGetFlipStatus(s32 handle, FlipStatus* status) {
     if (!status) {
         LOG_ERROR(Lib_VideoOut, "Flip status is null");
@@ -447,12 +472,16 @@ void RegisterLib(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("U2JJtSqNKZI", "libSceVideoOut", 1, "libSceVideoOut", 0, 0, sceVideoOutGetEventId);
     LIB_FUNCTION("rWUTcKdkUzQ", "libSceVideoOut", 1, "libSceVideoOut", 0, 0,
                  sceVideoOutGetEventData);
+    LIB_FUNCTION("Mt4QHHkxkOc", "libSceVideoOut", 1, "libSceVideoOut", 0, 0,
+                 sceVideoOutGetEventCount);
     LIB_FUNCTION("DYhhWbJSeRg", "libSceVideoOut", 1, "libSceVideoOut", 0, 0,
                  sceVideoOutColorSettingsSetGamma);
     LIB_FUNCTION("pv9CI5VC+R0", "libSceVideoOut", 1, "libSceVideoOut", 0, 0,
                  sceVideoOutAdjustColor);
     LIB_FUNCTION("-Ozn0F1AFRg", "libSceVideoOut", 1, "libSceVideoOut", 0, 0,
                  sceVideoOutDeleteFlipEvent);
+    LIB_FUNCTION("oNOQn3knW6s", "libSceVideoOut", 1, "libSceVideoOut", 0, 0,
+                 sceVideoOutDeleteVblankEvent);
     LIB_FUNCTION("pjkDsgxli6c", "libSceVideoOut", 1, "libSceVideoOut", 0, 0,
                  sceVideoOutModeSetAny_);
     LIB_FUNCTION("N1bEoJ4SRw4", "libSceVideoOut", 1, "libSceVideoOut", 0, 0,