diff --git a/.gitmodules b/.gitmodules
index fef81d3b1..ff15c8731 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,9 +1,6 @@
 [submodule "vendor/hspec-expectations-pretty-diff"]
 	path = vendor/hspec-expectations-pretty-diff
 	url = https://github.com/rewinfrey/hspec-expectations-pretty-diff
-[submodule "vendor/effects"]
-	path = vendor/effects
-	url = https://github.com/joshvera/effects.git
 [submodule "vendor/haskell-tree-sitter"]
 	path = vendor/haskell-tree-sitter
 	url = https://github.com/tree-sitter/haskell-tree-sitter.git
diff --git a/vendor/effects b/vendor/effects
deleted file mode 160000
index 9616e462c..000000000
--- a/vendor/effects
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 9616e462c58645b0017cbc66858e7123cdf77611