diff --git a/build/summa_sundials b/build/summa_sundials
deleted file mode 160000
index 482a9b5cfa03b2b5fe54ea99308cd05417bd8d8e..0000000000000000000000000000000000000000
--- a/build/summa_sundials
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 482a9b5cfa03b2b5fe54ea99308cd05417bd8d8e