diff --git a/src/xenia/app/premake5.lua b/src/xenia/app/premake5.lua
index 011dd225f..c6499d3a4 100644
--- a/src/xenia/app/premake5.lua
+++ b/src/xenia/app/premake5.lua
@@ -119,6 +119,11 @@ project("xenia-app")
       "xenia-gpu-d3d12-trace-viewer",
       "xenia-ui-window-d3d12-demo",
     })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
 
   filter("platforms:Windows")
     -- Only create the .user file if it doesn't already exist.
diff --git a/src/xenia/cpu/premake5.lua b/src/xenia/cpu/premake5.lua
index 748602659..d1291d198 100644
--- a/src/xenia/cpu/premake5.lua
+++ b/src/xenia/cpu/premake5.lua
@@ -10,6 +10,11 @@ project("xenia-cpu")
     "xenia-base",
     "mspack",
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   includedirs({
     project_root.."/third_party/llvm/include",
   })
diff --git a/src/xenia/debug/ui/premake5.lua b/src/xenia/debug/ui/premake5.lua
index 7503528b3..d85334a5b 100644
--- a/src/xenia/debug/ui/premake5.lua
+++ b/src/xenia/debug/ui/premake5.lua
@@ -12,6 +12,11 @@ project("xenia-debug-ui")
     "xenia-cpu",
     "xenia-ui",
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   defines({
   })
   includedirs({
diff --git a/src/xenia/hid/premake5.lua b/src/xenia/hid/premake5.lua
index 4e961f623..ccbedefb9 100644
--- a/src/xenia/hid/premake5.lua
+++ b/src/xenia/hid/premake5.lua
@@ -38,7 +38,11 @@ project("xenia-hid-demo")
   resincludedirs({
     project_root,
   })
-
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   filter("platforms:not Android-*")
     links({
       "xenia-helper-sdl",
diff --git a/src/xenia/ui/d3d12/premake5.lua b/src/xenia/ui/d3d12/premake5.lua
index c0d10096b..ecde1c1f3 100644
--- a/src/xenia/ui/d3d12/premake5.lua
+++ b/src/xenia/ui/d3d12/premake5.lua
@@ -10,6 +10,11 @@ project("xenia-ui-d3d12")
     "xenia-base",
     "xenia-ui",
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   local_platform_files()
   files({
     "../shaders/bytecode/d3d12_5_1/*.h",
diff --git a/src/xenia/ui/premake5.lua b/src/xenia/ui/premake5.lua
index 6aff82bec..518bfd358 100644
--- a/src/xenia/ui/premake5.lua
+++ b/src/xenia/ui/premake5.lua
@@ -14,7 +14,11 @@ project("xenia-ui")
   local_platform_files()
   removefiles({"*_demo.cc"})
   removefiles({"windowed_app_main_*.cc"})
-
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   filter("platforms:Android-*")
     -- Exports JNI functions.
     wholelib("On")
diff --git a/src/xenia/ui/vulkan/premake5.lua b/src/xenia/ui/vulkan/premake5.lua
index bdc6b7458..cbe4e26f0 100644
--- a/src/xenia/ui/vulkan/premake5.lua
+++ b/src/xenia/ui/vulkan/premake5.lua
@@ -10,6 +10,11 @@ project("xenia-ui-vulkan")
     "xenia-base",
     "xenia-ui",
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   includedirs({
     project_root.."/third_party/Vulkan-Headers/include",
   })
diff --git a/src/xenia/vfs/premake5.lua b/src/xenia/vfs/premake5.lua
index f312d93c6..9cd71842d 100644
--- a/src/xenia/vfs/premake5.lua
+++ b/src/xenia/vfs/premake5.lua
@@ -11,6 +11,11 @@ project("xenia-vfs")
   })
   defines({
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   recursive_platform_files()
   removefiles({"vfs_dump.cc"})
 
diff --git a/third_party/SDL2-static.lua b/third_party/SDL2-static.lua
index d03a607a5..e38878690 100644
--- a/third_party/SDL2-static.lua
+++ b/third_party/SDL2-static.lua
@@ -7,6 +7,8 @@ project("SDL2")
 
   defines({
     "HAVE_LIBC",
+	"SDL_LEAN_AND_MEAN=1",
+	"SDL_RENDER_DISABLED=1"
   })
   links({
     "setupapi.lib",
diff --git a/third_party/capstone.lua b/third_party/capstone.lua
index 6dc415974..b5c4d0107 100644
--- a/third_party/capstone.lua
+++ b/third_party/capstone.lua
@@ -11,6 +11,11 @@ project("capstone")
     "CAPSTONE_USE_SYS_DYN_MEM",
     "_LIB",
   })
+  filter({"configurations:Release", "platforms:Windows"})
+	buildoptions({
+		"/Os",
+		"/O1"
+	})
   includedirs({
     "capstone",
     "capstone/include",
diff --git a/third_party/fmt.lua b/third_party/fmt.lua
index ae72071b9..394e34800 100644
--- a/third_party/fmt.lua
+++ b/third_party/fmt.lua
@@ -8,6 +8,11 @@ project("fmt")
   defines({
     "_LIB",
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   includedirs({
     "fmt/include",
   })
diff --git a/third_party/glslang-spirv.lua b/third_party/glslang-spirv.lua
index 19a04c71e..c5f00a584 100644
--- a/third_party/glslang-spirv.lua
+++ b/third_party/glslang-spirv.lua
@@ -10,6 +10,11 @@ project("glslang-spirv")
   })
   includedirs({
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   files({
     "glslang/SPIRV/bitutils.h",
     "glslang/SPIRV/disassemble.cpp",
diff --git a/third_party/imgui.lua b/third_party/imgui.lua
index 083947c14..99c14b9a5 100644
--- a/third_party/imgui.lua
+++ b/third_party/imgui.lua
@@ -11,6 +11,11 @@ project("imgui")
   includedirs({
     "imgui",
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   files({
     "imgui/imconfig.h",
     "imgui/imgui.cpp",