diff --git a/Source/Core/Core/Boot/Boot.cpp b/Source/Core/Core/Boot/Boot.cpp
index f7dd454484..53718ab03c 100644
--- a/Source/Core/Core/Boot/Boot.cpp
+++ b/Source/Core/Core/Boot/Boot.cpp
@@ -50,7 +50,7 @@ bool CBoot::DVDRead(u64 dvd_offset, u32 output_address, u32 length, bool decrypt
 
 void CBoot::Load_FST(bool _bIsWii)
 {
-  if (!DVDInterface::VolumeIsValid())
+  if (!DVDInterface::IsDiscInside())
     return;
 
   const DiscIO::IVolume& volume = DVDInterface::GetVolume();
@@ -267,7 +267,7 @@ bool CBoot::BootUp()
   case SConfig::BOOT_ISO:
   {
     DVDInterface::SetVolumeName(_StartupPara.m_strFilename);
-    if (!DVDInterface::VolumeIsValid())
+    if (!DVDInterface::IsDiscInside())
       return false;
 
     const DiscIO::IVolume& pVolume = DVDInterface::GetVolume();
@@ -336,7 +336,7 @@ bool CBoot::BootUp()
     {
       BS2Success = EmulatedBS2(dolWii);
     }
-    else if ((!DVDInterface::VolumeIsValid() ||
+    else if ((!DVDInterface::IsDiscInside() ||
               DVDInterface::GetVolume().GetVolumeType() != DiscIO::Platform::WII_DISC) &&
              !_StartupPara.m_strDefaultISO.empty())
     {
diff --git a/Source/Core/Core/Boot/Boot_BS2Emu.cpp b/Source/Core/Core/Boot/Boot_BS2Emu.cpp
index e320d93e71..cd5742b56f 100644
--- a/Source/Core/Core/Boot/Boot_BS2Emu.cpp
+++ b/Source/Core/Core/Boot/Boot_BS2Emu.cpp
@@ -67,7 +67,7 @@ bool CBoot::EmulatedBS2_GC(bool skipAppLoader)
   // to 0x80000000 according to YAGCD 4.2.
 
   // It's possible to boot DOL and ELF files without a disc inserted
-  if (DVDInterface::VolumeIsValid())
+  if (DVDInterface::IsDiscInside())
     DVDRead(/*offset*/ 0x00000000, /*address*/ 0x00000000, 0x20, false);  // write disc info
 
   PowerPC::HostWrite_U32(0x0D15EA5E,
@@ -100,7 +100,7 @@ bool CBoot::EmulatedBS2_GC(bool skipAppLoader)
 
   HLE::Patch(0x81300000, "OSReport");  // HLE OSReport for Apploader
 
-  if (!DVDInterface::VolumeIsValid())
+  if (!DVDInterface::IsDiscInside())
     return false;
 
   // Load Apploader to Memory - The apploader is hardcoded to begin at 0x2440 on the disc,
@@ -255,7 +255,7 @@ bool CBoot::SetupWiiMemory(u64 ios_title_id)
   */
 
   // When booting a WAD or the system menu, there will probably not be a disc inserted
-  if (DVDInterface::VolumeIsValid())
+  if (DVDInterface::IsDiscInside())
     DVDRead(0x00000000, 0x00000000, 0x20, false);  // Game Code
 
   Memory::Write_U32(0x0D15EA5E, 0x00000020);            // Another magic word
@@ -306,7 +306,7 @@ bool CBoot::SetupWiiMemory(u64 ios_title_id)
 bool CBoot::EmulatedBS2_Wii()
 {
   INFO_LOG(BOOT, "Faking Wii BS2...");
-  if (!DVDInterface::VolumeIsValid())
+  if (!DVDInterface::IsDiscInside())
     return false;
 
   if (DVDInterface::GetVolume().GetVolumeType() != DiscIO::Platform::WII_DISC)
diff --git a/Source/Core/Core/HW/DVDInterface.cpp b/Source/Core/Core/HW/DVDInterface.cpp
index 95835b722f..679ac51cf9 100644
--- a/Source/Core/Core/HW/DVDInterface.cpp
+++ b/Source/Core/Core/HW/DVDInterface.cpp
@@ -419,7 +419,7 @@ static void DTKStreamingCallback(const std::vector<u8>& audio_data, s64 cycles_l
 
 void Init()
 {
-  _assert_(!VolumeIsValid());
+  _assert_(!IsDiscInside());
 
   DVDThread::Start();
 
@@ -486,7 +486,7 @@ bool SetVolumeName(const std::string& disc_path)
   DVDThread::WaitUntilIdle();
   s_inserted_volume = DiscIO::CreateVolumeFromFilename(disc_path);
   SetLidOpen();
-  return VolumeIsValid();
+  return IsDiscInside();
 }
 
 bool SetVolumeDirectory(const std::string& full_path, bool is_wii,
@@ -496,12 +496,7 @@ bool SetVolumeDirectory(const std::string& full_path, bool is_wii,
   s_inserted_volume =
       DiscIO::CreateVolumeFromDirectory(full_path, is_wii, apploader_path, DOL_path);
   SetLidOpen();
-  return VolumeIsValid();
-}
-
-bool VolumeIsValid()
-{
-  return s_inserted_volume != nullptr;
+  return IsDiscInside();
 }
 
 bool IsDiscInside()
diff --git a/Source/Core/Core/HW/DVDInterface.h b/Source/Core/Core/HW/DVDInterface.h
index fb6c97aea5..64c4bc1efb 100644
--- a/Source/Core/Core/HW/DVDInterface.h
+++ b/Source/Core/Core/HW/DVDInterface.h
@@ -108,12 +108,11 @@ void DoState(PointerWrap& p);
 
 void RegisterMMIO(MMIO::Mapping* mmio, u32 base);
 
-// Disc access (don't call GetVolume unless you know that VolumeIsValid() == true)
+// Disc access (don't call GetVolume unless you know that IsDiscInside() == true)
 const DiscIO::IVolume& GetVolume();
 bool SetVolumeName(const std::string& disc_path);
 bool SetVolumeDirectory(const std::string& disc_path, bool is_wii,
                         const std::string& apploader_path = "", const std::string& DOL_path = "");
-bool VolumeIsValid();
 bool IsDiscInside();
 void ChangeDiscAsHost(const std::string& new_path);  // Can only be called by the host thread
 void ChangeDiscAsCPU(const std::string& new_path);   // Can only be called by the CPU thread