diff --git a/.gitmodules b/.gitmodules
index bc02a26e4..a2c9a3b3e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
-[submodule "src/package/pikascript-core"]
-	path = src/package/pikascript-core
-	url = https://github.com/mimilib/pikascript-core
 [submodule "src/package/googletest"]
 	path = src/package/googletest
 	url = https://github.com/google/googletest
diff --git a/src/package/pikascript-core b/src/package/pikascript-core
deleted file mode 160000
index 2756ac17c..000000000
--- a/src/package/pikascript-core
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 2756ac17c3898854333da791a23143f8539fdcc4