diff --git a/Source/Core/Common/Crypto/AES.cpp b/Source/Core/Common/Crypto/AES.cpp
index a83812ff2e..7d6ddb6463 100644
--- a/Source/Core/Common/Crypto/AES.cpp
+++ b/Source/Core/Common/Crypto/AES.cpp
@@ -4,6 +4,7 @@
 #include "Common/Crypto/AES.h"
 
 #include <array>
+#include <cstring>
 #include <memory>
 
 #include <mbedtls/aes.h>
diff --git a/Source/Core/Common/TimeUtil.cpp b/Source/Core/Common/TimeUtil.cpp
index 93327e9136..e57078b7e9 100644
--- a/Source/Core/Common/TimeUtil.cpp
+++ b/Source/Core/Common/TimeUtil.cpp
@@ -2,11 +2,13 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "Common/TimeUtil.h"
-#include "Common/Logging/Log.h"
 
+#include <cstring>
 #include <ctime>
 #include <optional>
 
+#include "Common/Logging/Log.h"
+
 namespace Common
 {
 std::optional<std::tm> LocalTime(std::time_t time)
diff --git a/Source/Core/VideoBackends/OGL/OGLBoundingBox.cpp b/Source/Core/VideoBackends/OGL/OGLBoundingBox.cpp
index 9b36a75b63..673e308d53 100644
--- a/Source/Core/VideoBackends/OGL/OGLBoundingBox.cpp
+++ b/Source/Core/VideoBackends/OGL/OGLBoundingBox.cpp
@@ -3,6 +3,8 @@
 
 #include "VideoBackends/OGL/OGLBoundingBox.h"
 
+#include <cstring>
+
 #include "VideoBackends/OGL/OGLGfx.h"
 #include "VideoCommon/DriverDetails.h"