diff --git a/.gitmodules b/.gitmodules
index b952e77..0892805 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4684,9 +4684,6 @@
 [submodule "opencc"]
 	path = opencc
 	url = ../../ALP-pool/opencc
-[submodule "openmpi1"]
-	path = openmpi1
-	url = ../../ALP-pool/openmpi1
 [submodule "openmpi2"]
 	path = openmpi2
 	url = ../../ALP-pool/openmpi2
diff --git a/openmpi1 b/openmpi1
deleted file mode 160000
index 1104dc3..0000000
--- a/openmpi1
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 1104dc3511c465679bb78f452baac2f8a7c42350