diff --git a/test/mfs/.project b/test/mfs/.project
index 6485f730e..1bc6a8701 100644
--- a/test/mfs/.project
+++ b/test/mfs/.project
@@ -27,6 +27,5 @@
 		<nature>org.eclipse.cdt.core.cnature</nature>
 		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
 		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
-		<nature>com.st.tools.spc5.spc5StudioNature</nature>
 	</natures>
 </projectDescription>
diff --git a/test/nil/.project b/test/nil/.project
index bd5acb5eb..4814fd389 100644
--- a/test/nil/.project
+++ b/test/nil/.project
@@ -27,6 +27,5 @@
 		<nature>org.eclipse.cdt.core.cnature</nature>
 		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
 		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
-		<nature>com.st.tools.spc5.spc5StudioNature</nature>
 	</natures>
 </projectDescription>
diff --git a/test/rt/.project b/test/rt/.project
index f196707df..3e3b2828c 100644
--- a/test/rt/.project
+++ b/test/rt/.project
@@ -27,6 +27,5 @@
 		<nature>org.eclipse.cdt.core.cnature</nature>
 		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
 		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
-		<nature>com.st.tools.spc5.spc5StudioNature</nature>
 	</natures>
 </projectDescription>