diff --git a/.gitmodules b/.gitmodules
index 71d153146..cd2774a2d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,6 +4,3 @@
 [submodule "addins/riscv-arch-test"]
 	path = addins/riscv-arch-test
 	url = https://github.com/riscv-non-isa/riscv-arch-test
-[submodule "addins/riscv-isa-sim"]
-	path = addins/riscv-isa-sim
-	url = https://github.com/riscv-software-src/riscv-isa-sim
diff --git a/addins/riscv-isa-sim b/addins/riscv-isa-sim
deleted file mode 160000
index 0f30988e4..000000000
--- a/addins/riscv-isa-sim
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 0f30988e4d0e8daac893834b91979f7700bab481