diff --git a/cli/src/repl/gen.rs b/cli/src/repl/gen.rs
index afc3bafc55..9278c26719 100644
--- a/cli/src/repl/gen.rs
+++ b/cli/src/repl/gen.rs
@@ -8,7 +8,7 @@ use roc_can::builtins::builtin_defs_map;
 use roc_collections::all::{MutMap, MutSet};
 use roc_fmt::annotation::Formattable;
 use roc_fmt::annotation::{Newlines, Parens};
-use roc_gen::llvm::build::{add_intrinsics, build_proc, build_proc_header, OptLevel};
+use roc_gen::llvm::build::{build_proc, build_proc_header, OptLevel};
 use roc_gen::llvm::externs::add_default_roc_externs;
 use roc_load::file::LoadingProblem;
 use roc_parse::parser::SyntaxError;
@@ -133,12 +133,9 @@ pub fn gen_and_eval<'a>(
         let module = arena.alloc(roc_gen::llvm::build::module_from_builtins(&context, ""));
 
         // Add roc_alloc, roc_realloc, and roc_dealloc, since the repl has no
-        // platform to provide them. These must be added *before* adding intrinsics!
+        // platform to provide them.
         add_default_roc_externs(&context, module, &builder, ptr_bytes);
 
-        // Add LLVM intrinsics.
-        add_intrinsics(&context, &module);
-
         // mark our zig-defined builtins as internal
         for function in FunctionIterator::from_module(module) {
             let name = function.get_name().to_str().unwrap();
diff --git a/compiler/build/src/program.rs b/compiler/build/src/program.rs
index a3c89e293f..542118321a 100644
--- a/compiler/build/src/program.rs
+++ b/compiler/build/src/program.rs
@@ -3,9 +3,7 @@ use bumpalo::Bump;
 use inkwell::context::Context;
 use inkwell::targets::{CodeModel, FileType, RelocMode};
 use inkwell::values::FunctionValue;
-use roc_gen::llvm::build::{
-    add_intrinsics, build_proc, build_proc_header, module_from_builtins, OptLevel, Scope,
-};
+use roc_gen::llvm::build::{build_proc, build_proc_header, module_from_builtins, OptLevel, Scope};
 use roc_load::file::MonomorphizedModule;
 use roc_mono::layout::LayoutIds;
 use std::path::{Path, PathBuf};
@@ -86,9 +84,6 @@ pub fn gen_from_mono_module(
     let context = Context::create();
     let module = arena.alloc(module_from_builtins(&context, "app"));
 
-    // Add LLVM intrinsics.
-    add_intrinsics(&context, &module);
-
     // strip Zig debug stuff
     // module.strip_debug_info();
 
diff --git a/compiler/gen/src/llvm/build.rs b/compiler/gen/src/llvm/build.rs
index a380815862..e4cef3f0e7 100644
--- a/compiler/gen/src/llvm/build.rs
+++ b/compiler/gen/src/llvm/build.rs
@@ -318,10 +318,13 @@ pub fn module_from_builtins<'ctx>(ctx: &'ctx Context, module_name: &str) -> Modu
     let module = Module::parse_bitcode_from_buffer(&memory_buffer, ctx)
         .unwrap_or_else(|err| panic!("Unable to import builtins bitcode. LLVM error: {:?}", err));
 
+    // Add LLVM intrinsics.
+    add_intrinsics(ctx, &module);
+
     module
 }
 
-pub fn add_intrinsics<'ctx>(ctx: &'ctx Context, module: &Module<'ctx>) {
+fn add_intrinsics<'ctx>(ctx: &'ctx Context, module: &Module<'ctx>) {
     // List of all supported LLVM intrinsics:
     //
     // https://releases.llvm.org/10.0.0/docs/LangRef.html#standard-c-library-intrinsics
diff --git a/compiler/test_gen/src/helpers/eval.rs b/compiler/test_gen/src/helpers/eval.rs
index 95a52d843c..7e5b9bf41a 100644
--- a/compiler/test_gen/src/helpers/eval.rs
+++ b/compiler/test_gen/src/helpers/eval.rs
@@ -4,7 +4,6 @@ use roc_build::program::FunctionIterator;
 use roc_can::builtins::builtin_defs_map;
 use roc_can::def::Def;
 use roc_collections::all::{MutMap, MutSet};
-use roc_gen::llvm::build::add_intrinsics;
 use roc_gen::llvm::externs::add_default_roc_externs;
 use roc_module::symbol::Symbol;
 use roc_types::subs::VarStore;
@@ -185,12 +184,9 @@ pub fn helper<'a>(
     let module = roc_gen::llvm::build::module_from_builtins(context, "app");
 
     // Add roc_alloc, roc_realloc, and roc_dealloc, since the repl has no
-    // platform to provide them. These must be added *before* adding intrinsics!
+    // platform to provide them.
     add_default_roc_externs(context, &module, &builder, ptr_bytes);
 
-    // Add LLVM intrinsics.
-    add_intrinsics(context, &module);
-
     // strip Zig debug stuff
     module.strip_debug_info();