diff --git a/Source/Core/VideoBackends/Software/EfbInterface.cpp b/Source/Core/VideoBackends/Software/EfbInterface.cpp
index a13feb6c50..bb3cfeda90 100644
--- a/Source/Core/VideoBackends/Software/EfbInterface.cpp
+++ b/Source/Core/VideoBackends/Software/EfbInterface.cpp
@@ -5,6 +5,7 @@
 #include "VideoBackends/Software/EfbInterface.h"
 
 #include <algorithm>
+#include <array>
 #include <cstddef>
 #include <cstring>
 #include <vector>
@@ -18,11 +19,11 @@
 #include "VideoCommon/LookUpTables.h"
 #include "VideoCommon/PerfQueryBase.h"
 
-static u8 efb[EFB_WIDTH * EFB_HEIGHT * 6];
-
 namespace EfbInterface
 {
-u32 perf_values[PQ_NUM_MEMBERS];
+static std::array<u8, EFB_WIDTH * EFB_HEIGHT * 6> efb;
+
+static std::array<u32, PQ_NUM_MEMBERS> perf_values;
 
 static inline u32 GetColorOffset(u16 x, u16 y)
 {
@@ -31,7 +32,9 @@ static inline u32 GetColorOffset(u16 x, u16 y)
 
 static inline u32 GetDepthOffset(u16 x, u16 y)
 {
-  return (x + y * EFB_WIDTH) * 3 + DEPTH_BUFFER_START;
+  constexpr u32 depth_buffer_start = EFB_WIDTH * EFB_HEIGHT * 3;
+
+  return (x + y * EFB_WIDTH) * 3 + depth_buffer_start;
 }
 
 static void SetPixelAlphaOnly(u32 offset, u8 a)
@@ -682,4 +685,27 @@ bool ZCompare(u16 x, u16 y, u32 z)
 
   return pass;
 }
+
+u32 GetPerfQueryResult(PerfQueryType type)
+{
+  return perf_values[type];
+}
+
+void ResetPerfQuery()
+{
+  perf_values = {};
+}
+
+void IncPerfCounterQuadCount(PerfQueryType type)
+{
+  // NOTE: hardware doesn't process individual pixels but quads instead.
+  // Current software renderer architecture works on pixels though, so
+  // we have this "quad" hack here to only increment the registers on
+  // every fourth rendered pixel
+  static u32 quad[PQ_NUM_MEMBERS];
+  if (++quad[type] != 3)
+    return;
+  quad[type] = 0;
+  ++perf_values[type];
+}
 }
diff --git a/Source/Core/VideoBackends/Software/EfbInterface.h b/Source/Core/VideoBackends/Software/EfbInterface.h
index 7f7c0ec608..518395d7c9 100644
--- a/Source/Core/VideoBackends/Software/EfbInterface.h
+++ b/Source/Core/VideoBackends/Software/EfbInterface.h
@@ -4,16 +4,12 @@
 
 #pragma once
 
-#include <array>
-
 #include "Common/CommonTypes.h"
 #include "VideoCommon/PerfQueryBase.h"
 #include "VideoCommon/VideoCommon.h"
 
 namespace EfbInterface
 {
-const int DEPTH_BUFFER_START = EFB_WIDTH * EFB_HEIGHT * 3;
-
 // xfb color format - packed so the compiler doesn't mess with alignment
 #pragma pack(push, 1)
 struct yuv422_packed
@@ -61,17 +57,7 @@ u8* GetPixelPointer(u16 x, u16 y, bool depth);
 void EncodeXFB(u8* xfb_in_ram, u32 memory_stride, const EFBRectangle& source_rect, float y_scale,
                float gamma);
 
-extern u32 perf_values[PQ_NUM_MEMBERS];
-inline void IncPerfCounterQuadCount(PerfQueryType type)
-{
-  // NOTE: hardware doesn't process individual pixels but quads instead.
-  // Current software renderer architecture works on pixels though, so
-  // we have this "quad" hack here to only increment the registers on
-  // every fourth rendered pixel
-  static u32 quad[PQ_NUM_MEMBERS];
-  if (++quad[type] != 3)
-    return;
-  quad[type] = 0;
-  ++perf_values[type];
-}
-}
+u32 GetPerfQueryResult(PerfQueryType type);
+void ResetPerfQuery();
+void IncPerfCounterQuadCount(PerfQueryType type);
+}  // namespace EfbInterface
diff --git a/Source/Core/VideoBackends/Software/SWmain.cpp b/Source/Core/VideoBackends/Software/SWmain.cpp
index 8765a28e4c..18a739726b 100644
--- a/Source/Core/VideoBackends/Software/SWmain.cpp
+++ b/Source/Core/VideoBackends/Software/SWmain.cpp
@@ -38,11 +38,8 @@ public:
   ~PerfQuery() {}
   void EnableQuery(PerfQueryGroup type) override {}
   void DisableQuery(PerfQueryGroup type) override {}
-  void ResetQuery() override
-  {
-    memset(EfbInterface::perf_values, 0, sizeof(EfbInterface::perf_values));
-  }
-  u32 GetQueryResult(PerfQueryType type) override { return EfbInterface::perf_values[type]; }
+  void ResetQuery() override { EfbInterface::ResetPerfQuery(); }
+  u32 GetQueryResult(PerfQueryType type) override { return EfbInterface::GetPerfQueryResult(type); }
   void FlushResults() override {}
   bool IsFlushed() const override { return true; }
 };