diff --git a/ground/openpilotgcs/src/plugins/hitlv2/aerosimrc/src/aerosimrcdatastruct.h b/ground/openpilotgcs/src/plugins/hitlv2/aerosimrc/src/aerosimrcdatastruct.h
index 4adf7c16e..697695bc2 100644
--- a/ground/openpilotgcs/src/plugins/hitlv2/aerosimrc/src/aerosimrcdatastruct.h
+++ b/ground/openpilotgcs/src/plugins/hitlv2/aerosimrc/src/aerosimrcdatastruct.h
@@ -38,13 +38,7 @@ const quint16 DBG_BUFFER_MAX_SIZE = 4096;
 #define OBSOLETE_MIT_CHECKBOX   (1 << 1)
 #define OBSOLETE_MIT_SEPARATOR  (1 << 7)
 
-#if defined(Q_CC_MSVC)
-#define PACK_STRUCT
-#define MAX_PATH 260
-#pragma pack (push, r1, 1)
-#elif defined(Q_CC_GNU)
 #define PACK_STRUCT __attribute__((packed))
-#endif
 
 struct simToPlugin
 {
@@ -207,9 +201,6 @@ struct pluginInit
     const char *strOutputFolder;
 } PACK_STRUCT ;     // normal - 144, packed - 144 OK (3.81 & 3.83 & 3.90)
 
-#ifdef Q_CC_MSVC
-#pragma pack (pop, r1)
-#endif
 #undef PACK_STRUCT
 
 #endif // AEROSIMRCDATASTRUCT_H
diff --git a/ground/openpilotgcs/src/plugins/hitlv2/aerosimrc/src/plugin.pro b/ground/openpilotgcs/src/plugins/hitlv2/aerosimrc/src/plugin.pro
index 071559ef3..51bb42abd 100644
--- a/ground/openpilotgcs/src/plugins/hitlv2/aerosimrc/src/plugin.pro
+++ b/ground/openpilotgcs/src/plugins/hitlv2/aerosimrc/src/plugin.pro
@@ -15,12 +15,6 @@ SIM_DIR    = $$GCS_BUILD_TREE/../AeroSIM-RC
 PLUGIN_DIR = $$SIM_DIR/Plugin/CopterControl
 DLLDESTDIR = $$PLUGIN_DIR
 
-# Don't depend on MSVRT*.dll
-win32-msvc* {
-    QMAKE_CXXFLAGS_RELEASE -= -MD
-    QMAKE_CXXFLAGS_MT_DLL += -MT
-}
-
 HEADERS = \
     aerosimrcdatastruct.h \
     enums.h \
diff --git a/ground/openpilotgcs/src/plugins/hitlv2/aerosimrc/src/udptestwidget.h b/ground/openpilotgcs/src/plugins/hitlv2/aerosimrc/src/udptestwidget.h
index eeca63555..500f35482 100644
--- a/ground/openpilotgcs/src/plugins/hitlv2/aerosimrc/src/udptestwidget.h
+++ b/ground/openpilotgcs/src/plugins/hitlv2/aerosimrc/src/udptestwidget.h
@@ -31,9 +31,6 @@
 #include <QWidget>
 #include <QUdpSocket>
 #include <QTime>
-#if defined(Q_CC_MSVC)
-#define _USE_MATH_DEFINES
-#endif
 #include <qmath.h>
 #include <QVector3D>
 #include <QMatrix4x4>