diff --git a/Source/Core/Core/Core.cpp b/Source/Core/Core/Core.cpp
index 3d3166f4ea..4e8df5af30 100644
--- a/Source/Core/Core/Core.cpp
+++ b/Source/Core/Core/Core.cpp
@@ -809,8 +809,6 @@ static bool PauseAndLock(Core::System& system, bool do_lock, bool unpause_on_unl
     was_unpaused = system.GetCPU().PauseAndLock(true);
   }
 
-  system.GetExpansionInterface().PauseAndLock(do_lock, false);
-
   // audio has to come after CPU, because CPU thread can wait for audio thread (m_throttle).
   system.GetDSP().GetDSPEmulator()->PauseAndLock(do_lock, false);
 
diff --git a/Source/Core/Core/HW/EXI/EXI.cpp b/Source/Core/Core/HW/EXI/EXI.cpp
index 57d6ff4b7f..d6a235ed98 100644
--- a/Source/Core/Core/HW/EXI/EXI.cpp
+++ b/Source/Core/Core/HW/EXI/EXI.cpp
@@ -169,12 +169,6 @@ void ExpansionInterfaceManager::DoState(PointerWrap& p)
     channel->DoState(p);
 }
 
-void ExpansionInterfaceManager::PauseAndLock(bool doLock, bool unpauseOnUnlock)
-{
-  for (auto& channel : m_channels)
-    channel->PauseAndLock(doLock, unpauseOnUnlock);
-}
-
 void ExpansionInterfaceManager::RegisterMMIO(MMIO::Mapping* mmio, u32 base)
 {
   for (int i = 0; i < MAX_EXI_CHANNELS; ++i)
diff --git a/Source/Core/Core/HW/EXI/EXI.h b/Source/Core/Core/HW/EXI/EXI.h
index a82f8f994d..a4f2b899d0 100644
--- a/Source/Core/Core/HW/EXI/EXI.h
+++ b/Source/Core/Core/HW/EXI/EXI.h
@@ -72,7 +72,6 @@ public:
   void Init(const Sram* override_sram);
   void Shutdown();
   void DoState(PointerWrap& p);
-  void PauseAndLock(bool doLock, bool unpauseOnUnlock);
 
   void RegisterMMIO(MMIO::Mapping* mmio, u32 base);
 
diff --git a/Source/Core/Core/HW/EXI/EXI_Channel.cpp b/Source/Core/Core/HW/EXI/EXI_Channel.cpp
index 1eb1bbae54..11f4814fd2 100644
--- a/Source/Core/Core/HW/EXI/EXI_Channel.cpp
+++ b/Source/Core/Core/HW/EXI/EXI_Channel.cpp
@@ -286,12 +286,6 @@ void CEXIChannel::DoState(PointerWrap& p)
   }
 }
 
-void CEXIChannel::PauseAndLock(bool do_lock, bool resume_on_unlock)
-{
-  for (auto& device : m_devices)
-    device->PauseAndLock(do_lock, resume_on_unlock);
-}
-
 void CEXIChannel::SetEXIINT(bool exiint)
 {
   m_status.EXIINT = !!exiint;
diff --git a/Source/Core/Core/HW/EXI/EXI_Channel.h b/Source/Core/Core/HW/EXI/EXI_Channel.h
index 5bed226490..62f3aafcac 100644
--- a/Source/Core/Core/HW/EXI/EXI_Channel.h
+++ b/Source/Core/Core/HW/EXI/EXI_Channel.h
@@ -45,7 +45,6 @@ public:
 
   bool IsCausingInterrupt();
   void DoState(PointerWrap& p);
-  void PauseAndLock(bool do_lock, bool resume_on_unlock);
 
   // This should only be used to transition interrupts from SP1 to Channel 2
   void SetEXIINT(bool exiint);
diff --git a/Source/Core/Core/HW/EXI/EXI_Device.cpp b/Source/Core/Core/HW/EXI/EXI_Device.cpp
index cc6ac63e2e..425ce9dbb2 100644
--- a/Source/Core/Core/HW/EXI/EXI_Device.cpp
+++ b/Source/Core/Core/HW/EXI/EXI_Device.cpp
@@ -89,10 +89,6 @@ void IEXIDevice::DoState(PointerWrap& p)
 {
 }
 
-void IEXIDevice::PauseAndLock(bool do_lock, bool resume_on_unlock)
-{
-}
-
 bool IEXIDevice::IsInterruptSet()
 {
   return false;
diff --git a/Source/Core/Core/HW/EXI/EXI_Device.h b/Source/Core/Core/HW/EXI/EXI_Device.h
index cbe8076e44..2c90d772f9 100644
--- a/Source/Core/Core/HW/EXI/EXI_Device.h
+++ b/Source/Core/Core/HW/EXI/EXI_Device.h
@@ -64,7 +64,6 @@ public:
   virtual bool IsPresent() const;
   virtual void SetCS(int cs);
   virtual void DoState(PointerWrap& p);
-  virtual void PauseAndLock(bool do_lock, bool resume_on_unlock = true);
 
   // Is generating interrupt ?
   virtual bool IsInterruptSet();