diff --git a/src/utils/omp.h b/src/utils/omp.h
index e3c61110c..c7a04dc32 100644
--- a/src/utils/omp.h
+++ b/src/utils/omp.h
@@ -10,7 +10,7 @@
 #if defined(_OPENMP) && !defined(DISABLE_OPENMP)
 #include <omp.h>
 #else
-#if !defined(DISABLE_OPENMP)
+#if !defined(DISABLE_OPENMP) && !defined(_MSC_VER)
 // use pragma message instead of warning
 #pragma message("Warning: OpenMP is not available,"\
                 "xgboost will be compiled into single-thread code."\
diff --git a/windows/xgboost.sln b/windows/xgboost.sln
index b1371a266..a3c861f6c 100644
--- a/windows/xgboost.sln
+++ b/windows/xgboost.sln
@@ -23,7 +23,6 @@ Global
 		{19766C3F-7508-49D0-BAAC-0988FCC9970C}.Debug|Win32.ActiveCfg = Debug|Win32
 		{19766C3F-7508-49D0-BAAC-0988FCC9970C}.Debug|Win32.Build.0 = Debug|Win32
 		{19766C3F-7508-49D0-BAAC-0988FCC9970C}.Debug|x64.ActiveCfg = Debug|x64
-		{19766C3F-7508-49D0-BAAC-0988FCC9970C}.Debug|x64.Build.0 = Debug|x64
 		{19766C3F-7508-49D0-BAAC-0988FCC9970C}.Release|Win32.ActiveCfg = Release|Win32
 		{19766C3F-7508-49D0-BAAC-0988FCC9970C}.Release|Win32.Build.0 = Release|Win32
 		{19766C3F-7508-49D0-BAAC-0988FCC9970C}.Release|x64.ActiveCfg = Release|x64