diff --git a/Common/FileUtil.cpp b/Common/FileUtil.cpp
index 6307335e8..8f36d3d46 100644
--- a/Common/FileUtil.cpp
+++ b/Common/FileUtil.cpp
@@ -15,7 +15,9 @@
 // Official SVN repository and contact information can be found at
 // http://code.google.com/p/dolphin-emu/
 
+#if defined(_MSC_VER)
 #pragma warning(disable:4091)  // workaround bug in VS2015 headers
+#endif
 
 #include "FileUtil.h"
 #include "StringUtils.h"
diff --git a/Core/HLE/sceKernelMbx.cpp b/Core/HLE/sceKernelMbx.cpp
index 82fa94741..4f9b497c0 100644
--- a/Core/HLE/sceKernelMbx.cpp
+++ b/Core/HLE/sceKernelMbx.cpp
@@ -423,7 +423,7 @@ int sceKernelSendMbx(SceUID id, u32 packetAddr)
 			NativeMbxPacket p;
 			for (int i = 0, n = m->nmb.numMessages; i < n; i++)
 			{
-				Memory::ReadStruct<NativeMbxPacket>(next, &p);
+				Memory::ReadStructUnchecked<NativeMbxPacket>(next, &p);
 				if (addPacket->priority < p.priority)
 				{
 					if (i == 0)
diff --git a/Core/HLE/sceMpeg.cpp b/Core/HLE/sceMpeg.cpp
index 872d0504c..abf7ca70b 100644
--- a/Core/HLE/sceMpeg.cpp
+++ b/Core/HLE/sceMpeg.cpp
@@ -932,7 +932,7 @@ static bool decodePmpVideo(PSPPointer<SceMpegRingBuffer> ringbuffer, u32 pmpctxA
 		// joint all blocks into H264Frames
 		SceMpegLLI lli;
 		for (int i = 0; i < pmp_nBlocks; i++){
-			Memory::ReadStruct(pmp_videoSource, &lli);
+			Memory::ReadStructUnchecked(pmp_videoSource, &lli);
 			// add source block into pmpframes
 			pmpframes->add(Memory::GetPointer(lli.pSrc), lli.iSize);
 			// get next block