diff --git a/.gitmodules b/.gitmodules
index 21c456b..3b3d8c3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -2,10 +2,6 @@
   branch = "v1"
   path = "lib/forge-std"
   url = "https://github.com/foundry-rs/forge-std"
-[submodule "lib/prb-math"]
-  branch = "v4"
-  path = "lib/prb-math"
-  url = "https://github.com/PaulRBerg/prb-math"
 [submodule "lib/prb-test"]
   branch = "v0"
   path = "lib/prb-test"
diff --git a/lib/prb-math b/lib/prb-math
deleted file mode 160000
index 7ce3009..0000000
--- a/lib/prb-math
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 7ce3009bbfa0d8e2d430b7a1a9ca46b6e706d90d