diff --git a/Foundation/testsuite/TestApp_vs170.vcxproj b/Foundation/testsuite/TestApp_vs170.vcxproj
index fd10c81da..3f7bc3242 100644
--- a/Foundation/testsuite/TestApp_vs170.vcxproj
+++ b/Foundation/testsuite/TestApp_vs170.vcxproj
@@ -55,7 +55,6 @@
{6C41E55D-C0FC-4E01-AA8D-B7DA40E31D3A}
TestApp
Win32Proj
- 8.1
diff --git a/Foundation/testsuite/TestLibrary_vs170.vcxproj b/Foundation/testsuite/TestLibrary_vs170.vcxproj
index a34e6d45c..2993fb16b 100644
--- a/Foundation/testsuite/TestLibrary_vs170.vcxproj
+++ b/Foundation/testsuite/TestLibrary_vs170.vcxproj
@@ -22,7 +22,6 @@
TestLibrary
{0955EB03-544B-4BD4-9C10-89CF38078F5F}
Win32Proj
- 8.1
diff --git a/Foundation/testsuite/TestSuite_vs170.vcxproj b/Foundation/testsuite/TestSuite_vs170.vcxproj
index 3f2e315b4..e84edc67b 100644
--- a/Foundation/testsuite/TestSuite_vs170.vcxproj
+++ b/Foundation/testsuite/TestSuite_vs170.vcxproj
@@ -55,7 +55,6 @@
{F1EE93DF-347F-4CB3-B191-C4E63F38E972}
TestSuite
Win32Proj
- 8.1