diff --git a/Source/Core/Core/PowerPC/CachedInterpreter/CachedInterpreter.cpp b/Source/Core/Core/PowerPC/CachedInterpreter/CachedInterpreter.cpp
index 632fbb23f1..8fbed42f06 100644
--- a/Source/Core/Core/PowerPC/CachedInterpreter/CachedInterpreter.cpp
+++ b/Source/Core/Core/PowerPC/CachedInterpreter/CachedInterpreter.cpp
@@ -82,7 +82,7 @@ CachedInterpreter::~CachedInterpreter() = default;
 
 void CachedInterpreter::Init()
 {
-  RefreshConfig(InitFastmemArena::No);
+  RefreshConfig();
 
   m_code.reserve(CODE_SIZE / sizeof(Instruction));
 
@@ -384,5 +384,5 @@ void CachedInterpreter::ClearCache()
 {
   m_code.clear();
   m_block_cache.Clear();
-  RefreshConfig(InitFastmemArena::No);
+  RefreshConfig();
 }
diff --git a/Source/Core/Core/PowerPC/Jit64/Jit.cpp b/Source/Core/Core/PowerPC/Jit64/Jit.cpp
index 6dbb998d3a..fa96bd4b20 100644
--- a/Source/Core/Core/PowerPC/Jit64/Jit.cpp
+++ b/Source/Core/Core/PowerPC/Jit64/Jit.cpp
@@ -251,7 +251,10 @@ bool Jit64::BackPatch(SContext* ctx)
 
 void Jit64::Init()
 {
-  RefreshConfig(InitFastmemArena::Yes);
+  auto& memory = m_system.GetMemory();
+  jo.fastmem_arena = memory.InitFastmemArena();
+
+  RefreshConfig();
 
   EnableBlockLink();
 
@@ -304,7 +307,7 @@ void Jit64::ClearCache()
   m_const_pool.Clear();
   ClearCodeSpace();
   Clear();
-  RefreshConfig(InitFastmemArena::No);
+  RefreshConfig();
   asm_routines.Regenerate();
   ResetFreeMemoryRanges();
 }
diff --git a/Source/Core/Core/PowerPC/JitArm64/Jit.cpp b/Source/Core/Core/PowerPC/JitArm64/Jit.cpp
index efc24f988a..4c927ed427 100644
--- a/Source/Core/Core/PowerPC/JitArm64/Jit.cpp
+++ b/Source/Core/Core/PowerPC/JitArm64/Jit.cpp
@@ -47,7 +47,10 @@ JitArm64::~JitArm64() = default;
 
 void JitArm64::Init()
 {
-  RefreshConfig(InitFastmemArena::Yes);
+  auto& memory = m_system.GetMemory();
+  jo.fastmem_arena = memory.InitFastmemArena();
+
+  RefreshConfig();
 
   const size_t child_code_size = jo.memcheck ? FARCODE_SIZE_MMU : FARCODE_SIZE;
   AllocCodeSpace(CODE_SIZE + child_code_size);
@@ -155,7 +158,7 @@ void JitArm64::ClearCache()
   const Common::ScopedJITPageWriteAndNoExecute enable_jit_page_writes;
   ClearCodeSpace();
   m_far_code.ClearCodeSpace();
-  RefreshConfig(InitFastmemArena::No);
+  RefreshConfig();
 
   GenerateAsm();
 
diff --git a/Source/Core/Core/PowerPC/JitCommon/JitBase.cpp b/Source/Core/Core/PowerPC/JitCommon/JitBase.cpp
index 88d28ea8ac..bcdafd9725 100644
--- a/Source/Core/Core/PowerPC/JitCommon/JitBase.cpp
+++ b/Source/Core/Core/PowerPC/JitCommon/JitBase.cpp
@@ -115,7 +115,7 @@ bool JitBase::DoesConfigNeedRefresh()
   });
 }
 
-void JitBase::RefreshConfig(InitFastmemArena init_fastmem_arena)
+void JitBase::RefreshConfig()
 {
   for (const auto& [member, config_info] : JIT_SETTINGS)
     this->*member = Config::Get(*config_info);
@@ -132,12 +132,6 @@ void JitBase::RefreshConfig(InitFastmemArena init_fastmem_arena)
   analyzer.SetFloatExceptionsEnabled(m_enable_float_exceptions);
   analyzer.SetDivByZeroExceptionsEnabled(m_enable_div_by_zero_exceptions);
 
-  if (init_fastmem_arena != InitFastmemArena::No)
-  {
-    auto& memory = m_system.GetMemory();
-    jo.fastmem_arena = m_fastmem_enabled && memory.InitFastmemArena();
-  }
-
   bool any_watchpoints = m_system.GetPowerPC().GetMemChecks().HasAny();
   jo.fastmem = m_fastmem_enabled && jo.fastmem_arena && (m_ppc_state.msr.DR || !any_watchpoints) &&
                EMM::IsExceptionHandlerSupported();
diff --git a/Source/Core/Core/PowerPC/JitCommon/JitBase.h b/Source/Core/Core/PowerPC/JitCommon/JitBase.h
index f96c068b98..6c95559438 100644
--- a/Source/Core/Core/PowerPC/JitCommon/JitBase.h
+++ b/Source/Core/Core/PowerPC/JitCommon/JitBase.h
@@ -163,14 +163,8 @@ protected:
 
   static const std::array<std::pair<bool JitBase::*, const Config::Info<bool>*>, 22> JIT_SETTINGS;
 
-  enum class InitFastmemArena
-  {
-    No,
-    Yes,
-  };
-
   bool DoesConfigNeedRefresh();
-  void RefreshConfig(InitFastmemArena init_fastmem_arena);
+  void RefreshConfig();
 
   void InitBLROptimization();
   void ProtectStack();