diff --git a/.github/workflows/bld.yml b/.github/workflows/bld.yml
index 8ad00fb..a2d12cb 100644
--- a/.github/workflows/bld.yml
+++ b/.github/workflows/bld.yml
@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        java-version: [ 11, 17, 19, 20 ]
+        java-version: [ 17, 19, 20 ]
 
     steps:
       - name: Checkout source repository
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file