diff --git a/configure b/configure
index 5d5271c..f712413 100755
--- a/configure
+++ b/configure
@@ -109,7 +109,7 @@ github()
     git pull
 
     download_from_github src/lib ufocomp libdelphi master delphi
-    download_from_github src ufocomp apostol-core master core
+    download_from_github src apostodevel apostol-core master core
 }
 
 Success()
diff --git a/src/core b/src/core
deleted file mode 160000
index b3aab68..0000000
--- a/src/core
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit b3aab68ceb755c3d0d53e910552df106d1ad19ba