diff --git a/Source/Core/DiscIO/Volume.h b/Source/Core/DiscIO/Volume.h
index bd8e99e121..8b59b53618 100644
--- a/Source/Core/DiscIO/Volume.h
+++ b/Source/Core/DiscIO/Volume.h
@@ -75,8 +75,6 @@ public:
   virtual std::map<Language, std::string> GetLongMakers() const { return {}; }
   virtual std::map<Language, std::string> GetDescriptions() const { return {}; }
   virtual std::vector<u32> GetBanner(int* width, int* height) const = 0;
-  u64 GetFSTSize() const { return GetFSTSize(GetGamePartition()); }
-  virtual u64 GetFSTSize(const Partition& partition) const = 0;
   std::string GetApploaderDate() const { return GetApploaderDate(GetGamePartition()); }
   virtual std::string GetApploaderDate(const Partition& partition) const = 0;
   // 0 is the first disc, 1 is the second disc
diff --git a/Source/Core/DiscIO/VolumeDirectory.cpp b/Source/Core/DiscIO/VolumeDirectory.cpp
index 85cfc6d819..4dbedd8d00 100644
--- a/Source/Core/DiscIO/VolumeDirectory.cpp
+++ b/Source/Core/DiscIO/VolumeDirectory.cpp
@@ -230,12 +230,6 @@ void CVolumeDirectory::SetName(const std::string& name)
   m_disk_header[length + 0x20] = 0;
 }
 
-u64 CVolumeDirectory::GetFSTSize(const Partition& partition) const
-{
-  // Not implemented
-  return 0;
-}
-
 std::string CVolumeDirectory::GetApploaderDate(const Partition& partition) const
 {
   // Not implemented
diff --git a/Source/Core/DiscIO/VolumeDirectory.h b/Source/Core/DiscIO/VolumeDirectory.h
index 83530c223c..e39dc69274 100644
--- a/Source/Core/DiscIO/VolumeDirectory.h
+++ b/Source/Core/DiscIO/VolumeDirectory.h
@@ -54,8 +54,6 @@ public:
   std::vector<u32> GetBanner(int* width, int* height) const override;
   void SetName(const std::string&);
 
-  u64 GetFSTSize(const Partition& partition = PARTITION_NONE) const override;
-
   std::string GetApploaderDate(const Partition& partition = PARTITION_NONE) const override;
   Platform GetVolumeType() const override;
 
diff --git a/Source/Core/DiscIO/VolumeGC.cpp b/Source/Core/DiscIO/VolumeGC.cpp
index d6abd08263..92d7fc5e0a 100644
--- a/Source/Core/DiscIO/VolumeGC.cpp
+++ b/Source/Core/DiscIO/VolumeGC.cpp
@@ -138,15 +138,6 @@ std::vector<u32> CVolumeGC::GetBanner(int* width, int* height) const
   return m_image_buffer;
 }
 
-u64 CVolumeGC::GetFSTSize(const Partition& partition) const
-{
-  u32 size;
-  if (!Read(0x428, 0x4, (u8*)&size, partition))
-    return 0;
-
-  return Common::swap32(size);
-}
-
 std::string CVolumeGC::GetApploaderDate(const Partition& partition) const
 {
   char date[16];
diff --git a/Source/Core/DiscIO/VolumeGC.h b/Source/Core/DiscIO/VolumeGC.h
index 9ae149ed94..0b906adece 100644
--- a/Source/Core/DiscIO/VolumeGC.h
+++ b/Source/Core/DiscIO/VolumeGC.h
@@ -40,7 +40,6 @@ public:
   std::map<Language, std::string> GetLongMakers() const override;
   std::map<Language, std::string> GetDescriptions() const override;
   std::vector<u32> GetBanner(int* width, int* height) const override;
-  u64 GetFSTSize(const Partition& partition = PARTITION_NONE) const override;
   std::string GetApploaderDate(const Partition& partition = PARTITION_NONE) const override;
   u8 GetDiscNumber(const Partition& partition = PARTITION_NONE) const override;
 
diff --git a/Source/Core/DiscIO/VolumeWad.h b/Source/Core/DiscIO/VolumeWad.h
index 5ab2eeeaa1..66efd5daab 100644
--- a/Source/Core/DiscIO/VolumeWad.h
+++ b/Source/Core/DiscIO/VolumeWad.h
@@ -45,7 +45,6 @@ public:
   }
   std::map<Language, std::string> GetLongNames() const override;
   std::vector<u32> GetBanner(int* width, int* height) const override;
-  u64 GetFSTSize(const Partition& partition = PARTITION_NONE) const override { return 0; }
   std::string GetApploaderDate(const Partition& partition = PARTITION_NONE) const override
   {
     return "";
diff --git a/Source/Core/DiscIO/VolumeWiiCrypted.cpp b/Source/Core/DiscIO/VolumeWiiCrypted.cpp
index 9281529254..3b31d126fe 100644
--- a/Source/Core/DiscIO/VolumeWiiCrypted.cpp
+++ b/Source/Core/DiscIO/VolumeWiiCrypted.cpp
@@ -295,16 +295,6 @@ std::vector<u32> CVolumeWiiCrypted::GetBanner(int* width, int* height) const
   return GetWiiBanner(width, height, *title_id);
 }
 
-u64 CVolumeWiiCrypted::GetFSTSize(const Partition& partition) const
-{
-  u32 size;
-
-  if (!Read(0x428, 0x4, (u8*)&size, partition))
-    return 0;
-
-  return (u64)Common::swap32(size) << 2;
-}
-
 std::string CVolumeWiiCrypted::GetApploaderDate(const Partition& partition) const
 {
   char date[16];
diff --git a/Source/Core/DiscIO/VolumeWiiCrypted.h b/Source/Core/DiscIO/VolumeWiiCrypted.h
index 54fd25713c..76128202fd 100644
--- a/Source/Core/DiscIO/VolumeWiiCrypted.h
+++ b/Source/Core/DiscIO/VolumeWiiCrypted.h
@@ -43,7 +43,6 @@ public:
   std::string GetInternalName(const Partition& partition) const override;
   std::map<Language, std::string> GetLongNames() const override;
   std::vector<u32> GetBanner(int* width, int* height) const override;
-  u64 GetFSTSize(const Partition& partition) const override;
   std::string GetApploaderDate(const Partition& partition) const override;
   u8 GetDiscNumber(const Partition& partition) const override;
 
diff --git a/Source/Core/DolphinWX/ISOProperties/InfoPanel.cpp b/Source/Core/DolphinWX/ISOProperties/InfoPanel.cpp
index 1d52bdde6e..9036378abf 100644
--- a/Source/Core/DolphinWX/ISOProperties/InfoPanel.cpp
+++ b/Source/Core/DolphinWX/ISOProperties/InfoPanel.cpp
@@ -179,7 +179,6 @@ void InfoPanel::LoadISODetails()
   m_maker_id->SetValue("0x" + StrToWxStr(m_opened_iso->GetMakerID()));
   m_revision->SetValue(StrToWxStr(std::to_string(m_opened_iso->GetRevision())));
   m_date->SetValue(StrToWxStr(m_opened_iso->GetApploaderDate()));
-  m_fst->SetValue(StrToWxStr(std::to_string(m_opened_iso->GetFSTSize())));
   if (m_ios_version)
   {
     const IOS::ES::TMDReader tmd = m_opened_iso->GetTMD(m_opened_iso->GetGamePartition());
@@ -221,7 +220,6 @@ wxStaticBoxSizer* InfoPanel::CreateISODetailsSizer()
       {_("Maker ID:"), m_maker_id},
       {_("Revision:"), m_revision},
       {_("Apploader Date:"), m_date},
-      {_("FST Size:"), m_fst},
   }};
   if (m_opened_iso->GetTMD(m_opened_iso->GetGamePartition()).IsValid())
     controls.emplace_back(_("IOS Version:"), m_ios_version);
diff --git a/Source/Core/DolphinWX/ISOProperties/InfoPanel.h b/Source/Core/DolphinWX/ISOProperties/InfoPanel.h
index bb78d62172..c378e70c42 100644
--- a/Source/Core/DolphinWX/ISOProperties/InfoPanel.h
+++ b/Source/Core/DolphinWX/ISOProperties/InfoPanel.h
@@ -61,7 +61,6 @@ private:
   wxTextCtrl* m_maker_id;
   wxTextCtrl* m_revision;
   wxTextCtrl* m_date;
-  wxTextCtrl* m_fst;
   wxTextCtrl* m_ios_version = nullptr;
   wxTextCtrl* m_md5_sum;
   wxButton* m_md5_sum_compute;