diff --git a/common.pri b/common.pri
index 6a3de2591..109e75f86 100644
--- a/common.pri
+++ b/common.pri
@@ -741,5 +741,6 @@ MSVC_DEBUG_CXXFLAGS += \
     -wd4265 \
     -wd4599 \
     -wd4371 \
-    -wd4718
+    -wd4718 \
+    -wd4946
 }
diff --git a/src/libs/vdxf/dxflib/dl_dxf.cpp b/src/libs/vdxf/dxflib/dl_dxf.cpp
index cc5eff4d4..ecc1b7416 100644
--- a/src/libs/vdxf/dxflib/dl_dxf.cpp
+++ b/src/libs/vdxf/dxflib/dl_dxf.cpp
@@ -38,6 +38,8 @@
 
 #include "iostream"
 
+#include "../vmisc/diagnostic.h"
+
 /**
  * Default constructor.
  */
@@ -109,7 +111,11 @@ bool DL_Dxf::in(const std::string& file, DL_CreationInterface* creationInterface
     firstCall = true;
     currentObjectType = DL_UNKNOWN;
 
+QT_WARNING_PUSH
+QT_WARNING_DISABLE_MSVC(4996)
     fp = fopen(file.c_str(), "rt");
+QT_WARNING_POP
+
     if (fp)
     {
         while (readDxfGroups(fp, creationInterface)) {}
@@ -2538,7 +2544,10 @@ void DL_Dxf::endSequence(DL_CreationInterface* creationInterface)
 DL_WriterA* DL_Dxf::out(const char* file, DL_Codes::version version)
 {
     char* f = new char[strlen(file)+1];
+QT_WARNING_PUSH
+QT_WARNING_DISABLE_MSVC(4996)
     strcpy(f, file);
+QT_WARNING_POP
     this->version = version;
 
     DL_WriterA* dw = new DL_WriterA(f, version);
@@ -3121,11 +3130,17 @@ void DL_Dxf::writeMText(DL_WriterA& dw,
     int i;
     for (i=250; i<length; i+=250)
     {
+QT_WARNING_PUSH
+QT_WARNING_DISABLE_MSVC(4996)
         strncpy(chunk, &data.text.c_str()[i-250], 250);
+QT_WARNING_POP
         chunk[250]='\0';
         dw.dxfString(3, chunk);
     }
+QT_WARNING_PUSH
+QT_WARNING_DISABLE_MSVC(4996)
     strncpy(chunk, &data.text.c_str()[i-250], 250);
+QT_WARNING_POP
     chunk[250]='\0';
     dw.dxfString(1, chunk);
 
@@ -5864,12 +5879,15 @@ void DL_Dxf::test()
     char* buf5 = new char[10];
     char* buf6 = new char[10];
 
+QT_WARNING_PUSH
+QT_WARNING_DISABLE_MSVC(4996)
     strcpy(buf1, "  10\n");
     strcpy(buf2, "10");
     strcpy(buf3, "10\n");
     strcpy(buf4, "  10 \n");
     strcpy(buf5, "  10 \r");
     strcpy(buf6, "\t10 \n");
+QT_WARNING_POP
 
     // Try to avoid deleting array from an offset
     char* buf1Copy = buf1;
diff --git a/src/libs/vdxf/dxflib/dl_writer_ascii.cpp b/src/libs/vdxf/dxflib/dl_writer_ascii.cpp
index ccc27e834..5891c1b36 100644
--- a/src/libs/vdxf/dxflib/dl_writer_ascii.cpp
+++ b/src/libs/vdxf/dxflib/dl_writer_ascii.cpp
@@ -64,15 +64,18 @@ bool DL_WriterA::openFailed() const
 void DL_WriterA::dxfReal(int gc, double value) const
 {
     char str[256];
-    if (version==DL_Codes::AC1009_MIN) 
+QT_WARNING_PUSH
+QT_WARNING_DISABLE_MSVC(4996)
+    if (version==DL_Codes::AC1009_MIN)
     {
         sprintf(str, "%.6lf", value);
     }
-    else 
+    else
     {
         sprintf(str, "%.16lf", value);
     }
-    
+QT_WARNING_POP
+
     // fix for german locale:
     strReplace(str, ',', '.');
 
@@ -125,7 +128,10 @@ void DL_WriterA::dxfInt(int gc, int value) const
 void DL_WriterA::dxfHex(int gc, int value) const
 {
     char str[12];
+QT_WARNING_PUSH
+QT_WARNING_DISABLE_MSVC(4996)
     sprintf(str, "%0X", value);
+QT_WARNING_POP
     dxfString(gc, str);
 }
 
diff --git a/src/libs/vpropertyexplorer/plugins/Vector3d/vvector3dproperty.h b/src/libs/vpropertyexplorer/plugins/Vector3d/vvector3dproperty.h
index eb256f78f..ffc9a1e07 100644
--- a/src/libs/vpropertyexplorer/plugins/Vector3d/vvector3dproperty.h
+++ b/src/libs/vpropertyexplorer/plugins/Vector3d/vvector3dproperty.h
@@ -40,7 +40,7 @@ public:
 
     ~Vector3D() {}
 
-    float X, Y, Z;
+    double X, Y, Z;
 };
 /*
 }