diff --git a/bindings/ocaml/transforms/scalar/llvm_scalar_opts.ml b/bindings/ocaml/transforms/scalar/llvm_scalar_opts.ml
index 5699152b5a9..276e1182d05 100644
--- a/bindings/ocaml/transforms/scalar/llvm_scalar_opts.ml
+++ b/bindings/ocaml/transforms/scalar/llvm_scalar_opts.ml
@@ -39,9 +39,6 @@ external add_loop_unroll : [<Llvm.PassManager.any] Llvm.PassManager.t
 external add_loop_rotation : [<Llvm.PassManager.any] Llvm.PassManager.t
                              -> unit
                            = "llvm_add_loop_rotation"
-external add_loop_index_split : [<Llvm.PassManager.any] Llvm.PassManager.t
-                                -> unit
-                              = "llvm_add_loop_index_split"
 external
 add_memory_to_register_promotion : [<Llvm.PassManager.any] Llvm.PassManager.t
                                    -> unit
diff --git a/bindings/ocaml/transforms/scalar/llvm_scalar_opts.mli b/bindings/ocaml/transforms/scalar/llvm_scalar_opts.mli
index 9f95fbce9f8..d7162c769e4 100644
--- a/bindings/ocaml/transforms/scalar/llvm_scalar_opts.mli
+++ b/bindings/ocaml/transforms/scalar/llvm_scalar_opts.mli
@@ -66,11 +66,6 @@ external add_loop_rotation : [<Llvm.PassManager.any] Llvm.PassManager.t
                              -> unit
                            = "llvm_add_loop_rotation"
 
-(** See the [llvm::createLoopIndexSplitPass] function. *)
-external add_loop_index_split : [<Llvm.PassManager.any] Llvm.PassManager.t
-                                -> unit
-                              = "llvm_add_loop_index_split"
-
 (** See the [llvm::createPromoteMemoryToRegisterPass] function. *)
 external
 add_memory_to_register_promotion : [<Llvm.PassManager.any] Llvm.PassManager.t
diff --git a/bindings/ocaml/transforms/scalar/scalar_opts_ocaml.c b/bindings/ocaml/transforms/scalar/scalar_opts_ocaml.c
index c20bdde5753..df44807859c 100644
--- a/bindings/ocaml/transforms/scalar/scalar_opts_ocaml.c
+++ b/bindings/ocaml/transforms/scalar/scalar_opts_ocaml.c
@@ -85,12 +85,6 @@ CAMLprim value llvm_add_loop_rotation(LLVMPassManagerRef PM) {
   return Val_unit;
 }
 
-/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
-CAMLprim value llvm_add_loop_index_split(LLVMPassManagerRef PM) {
-  LLVMAddLoopIndexSplitPass(PM);
-  return Val_unit;
-}
-
 /* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
 CAMLprim value llvm_add_memory_to_register_promotion(LLVMPassManagerRef PM) {
   LLVMAddPromoteMemoryToRegisterPass(PM);