diff --git a/pcsx2/GS/GS.cpp b/pcsx2/GS/GS.cpp
index a336ce5842777..7a9c3e3857213 100644
--- a/pcsx2/GS/GS.cpp
+++ b/pcsx2/GS/GS.cpp
@@ -17,6 +17,7 @@
 #include "GS/Window/GSwxDialog.h"
 #include "GS.h"
 #include "GSUtil.h"
+#include "GS_types.h"
 #include "Renderers/SW/GSRendererSW.h"
 #include "Renderers/Null/GSRendererNull.h"
 #include "Renderers/Null/GSDeviceNull.h"
diff --git a/pcsx2/GS/GS.h b/pcsx2/GS/GS.h
index 54956cee16db3..8cccdaefcc0a6 100644
--- a/pcsx2/GS/GS.h
+++ b/pcsx2/GS/GS.h
@@ -20,8 +20,6 @@
 
 #include "config.h"
 #include "common/Pcsx2Types.h"
-#include "common/WindowInfo.h"
-#include "GS_types.h"
 #include "Window/GSSetting.h"
 #include "SaveState.h"
 
@@ -35,10 +33,6 @@
 #include <d3d11_1.h>
 #include <dxgi1_3.h>
 
-#else
-
-#include <fcntl.h>
-
 #endif
 
 #include "Renderers/OpenGL/GLLoader.h"
@@ -55,43 +49,7 @@
 
 #endif
 
-// put these into vc9/common7/ide/usertype.dat to have them highlighted
-
-
-// stdc
-
-#include <cstddef>
-#include <cstdio>
-#include <cstdarg>
-#include <cstdlib>
-#include <cmath>
-#include <cfloat>
-#include <ctime>
-#include <climits>
-#include <cstring>
-#include <cassert>
-
-#if __GNUC__ > 5 || (__GNUC__ == 5 && __GNUC_MINOR__ >= 4)
-#include <codecvt>
-#include <locale>
-#endif
-
-#include <complex>
-#include <string>
-#include <array>
-#include <vector>
-#include <list>
 #include <map>
-#include <set>
-#include <queue>
-#include <algorithm>
-#include <thread>
-#include <atomic>
-#include <mutex>
-#include <condition_variable>
-#include <functional>
-#include <memory>
-#include <bitset>
 
 #ifdef __POSIX__
 #include <zlib.h>
@@ -99,86 +57,25 @@
 #include <zlib/zlib.h>
 #endif
 
-#include <unordered_map>
-#include <unordered_set>
-
 // Don't un-indent our ifdefs
 // clang-format off
 
 #ifdef _MSC_VER
-
-	#define EXPORT_C_(type) extern "C" type __stdcall
-	#define EXPORT_C EXPORT_C_(void)
-
 	#define ALIGN_STACK(n) alignas(n) int dummy__; (void)dummy__;
-
 #else
-
-	#ifndef __fastcall
-		#define __fastcall __attribute__((fastcall))
-	#endif
-
-	#define EXPORT_C_(type) extern "C" __attribute__((stdcall, externally_visible, visibility("default"))) type
-	#define EXPORT_C EXPORT_C_(void)
-
 	#ifdef __GNUC__
 		// GCC removes the variable as dead code and generates some warnings.
 		// Stack is automatically realigned due to SSE/AVX operations
 		#define ALIGN_STACK(n) (void)0;
-
 	#else
-
 		// TODO Check clang behavior
 		#define ALIGN_STACK(n) alignas(n) int dummy__;
-
 	#endif
-
-
-#endif
-
-#ifndef RESTRICT
-
-	#ifdef __INTEL_COMPILER
-
-		#define RESTRICT restrict
-
-	#elif defined(_MSC_VER)
-
-		#define RESTRICT __restrict
-
-	#elif defined(__GNUC__)
-
-		#define RESTRICT __restrict__
-
-	#else
-
-		#define RESTRICT
-
-	#endif
-
 #endif
 
 #include <xmmintrin.h>
 #include <emmintrin.h>
 
-#ifndef _MM_DENORMALS_ARE_ZERO
-#define _MM_DENORMALS_ARE_ZERO 0x0040
-#endif
-
-#define MXCSR (_MM_DENORMALS_ARE_ZERO | _MM_MASK_MASK | _MM_ROUND_NEAREST | _MM_FLUSH_ZERO_ON)
-
-#define _MM_TRANSPOSE4_SI128(row0, row1, row2, row3) \
-{ \
-	__m128 tmp0 = _mm_shuffle_ps(_mm_castsi128_ps(row0), _mm_castsi128_ps(row1), 0x44); \
-	__m128 tmp2 = _mm_shuffle_ps(_mm_castsi128_ps(row0), _mm_castsi128_ps(row1), 0xEE); \
-	__m128 tmp1 = _mm_shuffle_ps(_mm_castsi128_ps(row2), _mm_castsi128_ps(row3), 0x44); \
-	__m128 tmp3 = _mm_shuffle_ps(_mm_castsi128_ps(row2), _mm_castsi128_ps(row3), 0xEE); \
-	(row0) = _mm_castps_si128(_mm_shuffle_ps(tmp0, tmp1, 0x88)); \
-	(row1) = _mm_castps_si128(_mm_shuffle_ps(tmp0, tmp1, 0xDD)); \
-	(row2) = _mm_castps_si128(_mm_shuffle_ps(tmp2, tmp3, 0x88)); \
-	(row3) = _mm_castps_si128(_mm_shuffle_ps(tmp2, tmp3, 0xDD)); \
-}
-
 #include <tmmintrin.h>
 #include <smmintrin.h>
 
@@ -238,21 +135,21 @@ extern void fifo_free(void* ptr, size_t size, size_t repeat);
 	while(0);
 
 #if defined(_DEBUG)
-#  define GL_CACHE(...) GL_INSERT(GL_DEBUG_TYPE_OTHER, 0xFEAD, GL_DEBUG_SEVERITY_NOTIFICATION, __VA_ARGS__)
+	#define GL_CACHE(...) GL_INSERT(GL_DEBUG_TYPE_OTHER, 0xFEAD, GL_DEBUG_SEVERITY_NOTIFICATION, __VA_ARGS__)
 #else
-#  define GL_CACHE(...) (void)(0);
+	#define GL_CACHE(...) (void)(0);
 #endif
 
 #if defined(ENABLE_TRACE_REG) && defined(_DEBUG)
-#  define GL_REG(...) GL_INSERT(GL_DEBUG_TYPE_OTHER, 0xB0B0, GL_DEBUG_SEVERITY_NOTIFICATION, __VA_ARGS__)
+	#define GL_REG(...) GL_INSERT(GL_DEBUG_TYPE_OTHER, 0xB0B0, GL_DEBUG_SEVERITY_NOTIFICATION, __VA_ARGS__)
 #else
-#  define GL_REG(...) (void)(0);
+	#define GL_REG(...) (void)(0);
 #endif
 
 #if defined(ENABLE_EXTRA_LOG) && defined(_DEBUG)
-#  define GL_DBG(...) GL_INSERT(GL_DEBUG_TYPE_OTHER, 0xD0D0, GL_DEBUG_SEVERITY_NOTIFICATION, __VA_ARGS__)
+	#define GL_DBG(...) GL_INSERT(GL_DEBUG_TYPE_OTHER, 0xD0D0, GL_DEBUG_SEVERITY_NOTIFICATION, __VA_ARGS__)
 #else
-#  define GL_DBG(...) (void)(0);
+	#define GL_DBG(...) (void)(0);
 #endif
 
 #if defined(ENABLE_OGL_DEBUG)
@@ -284,7 +181,7 @@ extern const std::string root_hw;
 
 // MacOS headers define PAGE_SIZE to the size of an x86 page
 #ifdef PAGE_SIZE
-#  undef PAGE_SIZE
+	#undef PAGE_SIZE
 #endif
 
 #define VM_SIZE 4194304u
diff --git a/pcsx2/GS/GSCodeBuffer.cpp b/pcsx2/GS/GSCodeBuffer.cpp
index fc537d0a5563b..253b7fc19af5b 100644
--- a/pcsx2/GS/GSCodeBuffer.cpp
+++ b/pcsx2/GS/GSCodeBuffer.cpp
@@ -15,7 +15,7 @@
 
 #include "PrecompiledHeader.h"
 #include "GSCodeBuffer.h"
-#include "GS_types.h"
+#include "GS.h"
 
 GSCodeBuffer::GSCodeBuffer(size_t blocksize)
 	: m_blocksize(blocksize)
diff --git a/pcsx2/GS/GSCodeBuffer.h b/pcsx2/GS/GSCodeBuffer.h
index df68527c353bd..50b345a7b8ecf 100644
--- a/pcsx2/GS/GSCodeBuffer.h
+++ b/pcsx2/GS/GSCodeBuffer.h
@@ -15,8 +15,6 @@
 
 #pragma once
 
-#include "GS_types.h"
-
 class GSCodeBuffer
 {
 	std::vector<void*> m_buffers;
diff --git a/pcsx2/GS/GSDump.cpp b/pcsx2/GS/GSDump.cpp
index ba8f3107fc6fa..7857b16ec879e 100644
--- a/pcsx2/GS/GSDump.cpp
+++ b/pcsx2/GS/GSDump.cpp
@@ -15,6 +15,7 @@
 
 #include "PrecompiledHeader.h"
 #include "GSDump.h"
+#include "GS_types.h"
 
 GSDumpBase::GSDumpBase(const std::string& fn)
 	: m_frames(0)
diff --git a/pcsx2/GS/GSLocalMemory.cpp b/pcsx2/GS/GSLocalMemory.cpp
index 4cf570e836d41..d399615fc2a02 100644
--- a/pcsx2/GS/GSLocalMemory.cpp
+++ b/pcsx2/GS/GSLocalMemory.cpp
@@ -16,6 +16,7 @@
 #include "PrecompiledHeader.h"
 #include "GSLocalMemory.h"
 #include "GS.h"
+#include <unordered_set>
 
 template <typename Fn>
 static void foreachBlock(const GSOffset& off, GSLocalMemory* mem, const GSVector4i& r, u8* dst, int dstpitch, int bpp, Fn&& fn)
diff --git a/pcsx2/GS/GSLocalMemory.h b/pcsx2/GS/GSLocalMemory.h
index 06e71bb5fb0a2..b855a45c4e07d 100644
--- a/pcsx2/GS/GSLocalMemory.h
+++ b/pcsx2/GS/GSLocalMemory.h
@@ -20,6 +20,8 @@
 #include "GSVector.h"
 #include "GSBlock.h"
 #include "GSClut.h"
+#include <array>
+#include <unordered_map>
 
 struct GSPixelOffset
 {
diff --git a/pcsx2/GS/GSPerfMon.cpp b/pcsx2/GS/GSPerfMon.cpp
index 3c553d0fc31f6..be64adfad5310 100644
--- a/pcsx2/GS/GSPerfMon.cpp
+++ b/pcsx2/GS/GSPerfMon.cpp
@@ -15,7 +15,6 @@
 
 #include "PrecompiledHeader.h"
 #include "GSPerfMon.h"
-#include "GS_types.h"
 
 GSPerfMon::GSPerfMon()
 	: m_frame(0)
diff --git a/pcsx2/GS/GSPerfMon.h b/pcsx2/GS/GSPerfMon.h
index 061860c5a2d76..f7cc7b0009852 100644
--- a/pcsx2/GS/GSPerfMon.h
+++ b/pcsx2/GS/GSPerfMon.h
@@ -15,8 +15,6 @@
 
 #pragma once
 
-#include "GS_types.h"
-
 class GSPerfMon
 {
 public:
diff --git a/pcsx2/GS/GSPng.cpp b/pcsx2/GS/GSPng.cpp
index b41afa2b995eb..f6423dbc02cf0 100644
--- a/pcsx2/GS/GSPng.cpp
+++ b/pcsx2/GS/GSPng.cpp
@@ -15,6 +15,7 @@
 
 #include "PrecompiledHeader.h"
 #include "GSPng.h"
+#include "GS_types.h"
 #include <zlib.h>
 #include <png.h>
 
diff --git a/pcsx2/GS/GSTables.cpp b/pcsx2/GS/GSTables.cpp
index fbaf8017982de..478060896e989 100644
--- a/pcsx2/GS/GSTables.cpp
+++ b/pcsx2/GS/GSTables.cpp
@@ -17,7 +17,6 @@
 
 #include "PrecompiledHeader.h"
 #include "GSTables.h"
-#include "GS_types.h"
 
 template <int Width, int Height>
 static constexpr GSSizedBlockSwizzleTable<Height, Width> makeSwizzleTable(const u8 (&arr)[Height][Width]) {
diff --git a/pcsx2/GS/GSTables.h b/pcsx2/GS/GSTables.h
index 0280d29b146ab..9600ac4191ae6 100644
--- a/pcsx2/GS/GSTables.h
+++ b/pcsx2/GS/GSTables.h
@@ -15,8 +15,6 @@
 
 #pragma once
 
-#include "GS_types.h"
-
 /// Table for storing swizzling of blocks within a page
 struct alignas(64) GSBlockSwizzleTable
 {
diff --git a/pcsx2/GS/GSThread_CXX11.h b/pcsx2/GS/GSThread_CXX11.h
index d95df48beeb12..32e5e5d391434 100644
--- a/pcsx2/GS/GSThread_CXX11.h
+++ b/pcsx2/GS/GSThread_CXX11.h
@@ -18,6 +18,9 @@
 #include "GS.h"
 #include "common/boost_spsc_queue.hpp"
 #include "common/General.h"
+#include <condition_variable>
+#include <functional>
+#include <mutex>
 
 template <class T, int CAPACITY>
 class GSJobQueue final
diff --git a/pcsx2/GS/GSVector.cpp b/pcsx2/GS/GSVector.cpp
index 89762638b943e..6d788a1aacd20 100644
--- a/pcsx2/GS/GSVector.cpp
+++ b/pcsx2/GS/GSVector.cpp
@@ -16,6 +16,7 @@
 #include "PrecompiledHeader.h"
 #include "GS.h"
 #include "GSVector.h"
+#include <cfloat>
 
 CONSTINIT const GSVector4i GSVector4i::m_xff[17] =
 {
diff --git a/pcsx2/GS/GSVector.h b/pcsx2/GS/GSVector.h
index 490c53c6b838e..66e58e7b73a7e 100644
--- a/pcsx2/GS/GSVector.h
+++ b/pcsx2/GS/GSVector.h
@@ -14,7 +14,6 @@
  */
 
 #include "PrecompiledHeader.h"
-#include "GS_types.h"
 
 #pragma once
 
diff --git a/pcsx2/GS/GSVector4i.h b/pcsx2/GS/GSVector4i.h
index c602d4cfa69fa..09784d5a4f532 100644
--- a/pcsx2/GS/GSVector4i.h
+++ b/pcsx2/GS/GSVector4i.h
@@ -13,8 +13,6 @@
  *  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "GS_types.h"
-
 class alignas(16) GSVector4i
 {
 	static const GSVector4i m_xff[17];
@@ -1670,7 +1668,14 @@ class alignas(16) GSVector4i
 
 	__forceinline static void transpose(GSVector4i& a, GSVector4i& b, GSVector4i& c, GSVector4i& d)
 	{
-		_MM_TRANSPOSE4_SI128(a.m, b.m, c.m, d.m);
+		__m128 tmp0 = _mm_shuffle_ps(_mm_castsi128_ps(a.m), _mm_castsi128_ps(b.m), 0x44);
+		__m128 tmp2 = _mm_shuffle_ps(_mm_castsi128_ps(a.m), _mm_castsi128_ps(b.m), 0xEE);
+		__m128 tmp1 = _mm_shuffle_ps(_mm_castsi128_ps(c.m), _mm_castsi128_ps(d.m), 0x44);
+		__m128 tmp3 = _mm_shuffle_ps(_mm_castsi128_ps(c.m), _mm_castsi128_ps(d.m), 0xEE);
+		a = _mm_castps_si128(_mm_shuffle_ps(tmp0, tmp1, 0x88));
+		b = _mm_castps_si128(_mm_shuffle_ps(tmp0, tmp1, 0xDD));
+		c = _mm_castps_si128(_mm_shuffle_ps(tmp2, tmp3, 0x88));
+		d = _mm_castps_si128(_mm_shuffle_ps(tmp2, tmp3, 0xDD));
 	}
 
 	__forceinline static void sw4(GSVector4i& a, GSVector4i& b, GSVector4i& c, GSVector4i& d)
diff --git a/pcsx2/GS/GS_types.h b/pcsx2/GS/GS_types.h
index 2cfc59b68fc8a..c304d883188d4 100644
--- a/pcsx2/GS/GS_types.h
+++ b/pcsx2/GS/GS_types.h
@@ -15,8 +15,6 @@
 
 #pragma once
 
-#include <cfloat>
-
 // clang-format off
 
 #ifdef _WIN32
@@ -46,19 +44,3 @@ inline FILE* px_fopen(const std::string& filename, const std::string& mode)
 	return fopen(filename.c_str(), mode.c_str());
 #endif
 }
-
-#define _MM_TRANSPOSE4_SI128(row0, row1, row2, row3) \
-	{ \
-		__m128 tmp0 = _mm_shuffle_ps(_mm_castsi128_ps(row0), _mm_castsi128_ps(row1), 0x44); \
-		__m128 tmp2 = _mm_shuffle_ps(_mm_castsi128_ps(row0), _mm_castsi128_ps(row1), 0xEE); \
-		__m128 tmp1 = _mm_shuffle_ps(_mm_castsi128_ps(row2), _mm_castsi128_ps(row3), 0x44); \
-		__m128 tmp3 = _mm_shuffle_ps(_mm_castsi128_ps(row2), _mm_castsi128_ps(row3), 0xEE); \
-		(row0) = _mm_castps_si128(_mm_shuffle_ps(tmp0, tmp1, 0x88)); \
-		(row1) = _mm_castps_si128(_mm_shuffle_ps(tmp0, tmp1, 0xDD)); \
-		(row2) = _mm_castps_si128(_mm_shuffle_ps(tmp2, tmp3, 0x88)); \
-		(row3) = _mm_castps_si128(_mm_shuffle_ps(tmp2, tmp3, 0xDD)); \
-	}
-
-
-extern void* vmalloc(size_t size, bool code);
-extern void vmfree(void* ptr, size_t size);
diff --git a/pcsx2/GS/Renderers/Common/GSDevice.h b/pcsx2/GS/Renderers/Common/GSDevice.h
index ed3f4bec4c248..533a48f98a135 100644
--- a/pcsx2/GS/Renderers/Common/GSDevice.h
+++ b/pcsx2/GS/Renderers/Common/GSDevice.h
@@ -21,6 +21,7 @@
 #include "GSVertex.h"
 #include "GS/GSAlignedClass.h"
 #include "GSOsdManager.h"
+#include <array>
 
 enum ShaderConvert
 {
diff --git a/pcsx2/GS/Renderers/Common/GSFastList.h b/pcsx2/GS/Renderers/Common/GSFastList.h
index d9fe27fbb25b6..df1ac8cbbfc34 100644
--- a/pcsx2/GS/Renderers/Common/GSFastList.h
+++ b/pcsx2/GS/Renderers/Common/GSFastList.h
@@ -15,8 +15,6 @@
 
 #pragma once
 
-#include "GS/GS_types.h"
-
 template <class T>
 struct Element
 {
diff --git a/pcsx2/GS/Renderers/Common/GSOsdManager.cpp b/pcsx2/GS/Renderers/Common/GSOsdManager.cpp
index 7bec8130eff79..acaf06a43a4c8 100644
--- a/pcsx2/GS/Renderers/Common/GSOsdManager.cpp
+++ b/pcsx2/GS/Renderers/Common/GSOsdManager.cpp
@@ -20,6 +20,11 @@
 #include "GS/resource.h"
 #endif
 
+#if __GNUC__ > 5 || (__GNUC__ == 5 && __GNUC_MINOR__ >= 4)
+#include <codecvt>
+#include <locale>
+#endif
+
 void GSOsdManager::LoadFont()
 {
 	FT_Error error = FT_New_Face(m_library, theApp.GetConfigS("osd_fontname").c_str(), 0, &m_face);
diff --git a/pcsx2/GS/Renderers/Common/GSVertexTrace.cpp b/pcsx2/GS/Renderers/Common/GSVertexTrace.cpp
index 451c6e3da33b8..2eb2686055255 100644
--- a/pcsx2/GS/Renderers/Common/GSVertexTrace.cpp
+++ b/pcsx2/GS/Renderers/Common/GSVertexTrace.cpp
@@ -17,6 +17,7 @@
 #include "GSVertexTrace.h"
 #include "GS/GSUtil.h"
 #include "GS/GSState.h"
+#include <cfloat>
 
 CONSTINIT const GSVector4 GSVertexTrace::s_minmax = GSVector4::cxpr(FLT_MAX, -FLT_MAX, 0.f, 0.f);
 
diff --git a/pcsx2/GS/Renderers/DX11/GSDevice11.cpp b/pcsx2/GS/Renderers/DX11/GSDevice11.cpp
index d2f78f1703172..c11f5958b2377 100644
--- a/pcsx2/GS/Renderers/DX11/GSDevice11.cpp
+++ b/pcsx2/GS/Renderers/DX11/GSDevice11.cpp
@@ -20,6 +20,7 @@
 #include "GS/GSUtil.h"
 #include "GS/resource.h"
 #include <fstream>
+#include <sstream>
 #include <VersionHelpers.h>
 
 GSDevice11::GSDevice11()
diff --git a/pcsx2/GS/Renderers/DX11/GSDevice11.h b/pcsx2/GS/Renderers/DX11/GSDevice11.h
index 6affe583b857f..e74197c9cb241 100644
--- a/pcsx2/GS/Renderers/DX11/GSDevice11.h
+++ b/pcsx2/GS/Renderers/DX11/GSDevice11.h
@@ -18,6 +18,7 @@
 #include "GSTexture11.h"
 #include "GS/GSVector.h"
 #include "GS/Renderers/Common/GSDevice.h"
+#include <unordered_map>
 #include <wil/com.h>
 
 struct GSVertexShader11
diff --git a/pcsx2/GS/Renderers/HW/GSTextureCache.h b/pcsx2/GS/Renderers/HW/GSTextureCache.h
index 0c083162abc3b..5a93ee7e71b38 100644
--- a/pcsx2/GS/Renderers/HW/GSTextureCache.h
+++ b/pcsx2/GS/Renderers/HW/GSTextureCache.h
@@ -18,6 +18,7 @@
 #include "GS/Renderers/Common/GSRenderer.h"
 #include "GS/Renderers/Common/GSFastList.h"
 #include "GS/Renderers/Common/GSDirtyRect.h"
+#include <unordered_set>
 
 class GSTextureCache
 {
diff --git a/pcsx2/GS/Renderers/OpenGL/GLLoader.cpp b/pcsx2/GS/Renderers/OpenGL/GLLoader.cpp
index 0f99cf6831117..5cfa0be60f20c 100644
--- a/pcsx2/GS/Renderers/OpenGL/GLLoader.cpp
+++ b/pcsx2/GS/Renderers/OpenGL/GLLoader.cpp
@@ -16,6 +16,7 @@
 #include "PrecompiledHeader.h"
 #include "GLLoader.h"
 #include "GS.h"
+#include <unordered_set>
 
 namespace GLExtension
 {
diff --git a/pcsx2/GS/Renderers/OpenGL/GSDeviceOGL.cpp b/pcsx2/GS/Renderers/OpenGL/GSDeviceOGL.cpp
index 5be1034265a2f..c1b9ef1aabc60 100644
--- a/pcsx2/GS/Renderers/OpenGL/GSDeviceOGL.cpp
+++ b/pcsx2/GS/Renderers/OpenGL/GSDeviceOGL.cpp
@@ -19,6 +19,7 @@
 #include "GLState.h"
 #include "GS/GSUtil.h"
 #include <fstream>
+#include <sstream>
 
 //#define ONLY_LINES
 
diff --git a/pcsx2/GS/Renderers/OpenGL/GSShaderOGL.h b/pcsx2/GS/Renderers/OpenGL/GSShaderOGL.h
index f012ab4d8ba46..5c0cd145acb3b 100644
--- a/pcsx2/GS/Renderers/OpenGL/GSShaderOGL.h
+++ b/pcsx2/GS/Renderers/OpenGL/GSShaderOGL.h
@@ -16,6 +16,7 @@
 #pragma once
 
 #include "GS.h"
+#include <unordered_map>
 
 class GSShaderOGL
 {
diff --git a/pcsx2/GS/Renderers/SW/GSTextureCacheSW.h b/pcsx2/GS/Renderers/SW/GSTextureCacheSW.h
index 679a64e5016f3..81ea3eca21b69 100644
--- a/pcsx2/GS/Renderers/SW/GSTextureCacheSW.h
+++ b/pcsx2/GS/Renderers/SW/GSTextureCacheSW.h
@@ -17,6 +17,7 @@
 
 #include "GS/Renderers/Common/GSRenderer.h"
 #include "GS/Renderers/Common/GSFastList.h"
+#include <unordered_set>
 
 class GSTextureCacheSW
 {
diff --git a/pcsx2/GS/Window/GSCaptureDlg.cpp b/pcsx2/GS/Window/GSCaptureDlg.cpp
index 94012ccc4525e..3403dab81b669 100644
--- a/pcsx2/GS/Window/GSCaptureDlg.cpp
+++ b/pcsx2/GS/Window/GSCaptureDlg.cpp
@@ -16,6 +16,7 @@
 #include "PrecompiledHeader.h"
 #include "GS.h"
 #include "GSCaptureDlg.h"
+#include "GS/GS_types.h"
 
 // Ideally this belongs in WIL, but CAUUID is used by a *single* COM function in WinAPI.
 // That's presumably why it's omitted and is unlikely to make it to upstream WIL.