diff --git a/compiler/gen_llvm/src/llvm/build.rs b/compiler/gen_llvm/src/llvm/build.rs
index 6eadd546c7..54d81d2471 100644
--- a/compiler/gen_llvm/src/llvm/build.rs
+++ b/compiler/gen_llvm/src/llvm/build.rs
@@ -2304,32 +2304,6 @@ fn list_literal<'a, 'ctx, 'env>(
     }
 }
 
-fn decrement_with_size_check<'a, 'ctx, 'env>(
-    env: &Env<'a, 'ctx, 'env>,
-    parent: FunctionValue<'ctx>,
-    size: IntValue<'ctx>,
-    layout: Layout<'a>,
-    refcount_ptr: PointerToRefcount<'ctx>,
-) {
-    let not_empty = env.context.append_basic_block(parent, "not_null");
-
-    let done = env.context.append_basic_block(parent, "done");
-
-    let is_empty =
-        env.builder
-            .build_int_compare(IntPredicate::EQ, size, size.get_type().const_zero(), "");
-
-    env.builder
-        .build_conditional_branch(is_empty, done, not_empty);
-
-    env.builder.position_at_end(not_empty);
-
-    refcount_ptr.decrement(env, &layout);
-
-    env.builder.build_unconditional_branch(done);
-    env.builder.position_at_end(done);
-}
-
 pub fn build_exp_stmt<'a, 'ctx, 'env>(
     env: &Env<'a, 'ctx, 'env>,
     layout_ids: &mut LayoutIds<'a>,
diff --git a/compiler/gen_llvm/src/llvm/refcounting.rs b/compiler/gen_llvm/src/llvm/refcounting.rs
index d65ebff5e3..6a84b72167 100644
--- a/compiler/gen_llvm/src/llvm/refcounting.rs
+++ b/compiler/gen_llvm/src/llvm/refcounting.rs
@@ -84,7 +84,7 @@ impl<'ctx> PointerToRefcount<'ctx> {
         }
     }
 
-    pub fn from_list_wrapper(env: &Env<'_, 'ctx, '_>, list_wrapper: StructValue<'ctx>) -> Self {
+    fn from_list_wrapper(env: &Env<'_, 'ctx, '_>, list_wrapper: StructValue<'ctx>) -> Self {
         let data_ptr = env
             .builder
             .build_extract_value(list_wrapper, Builtin::WRAPPER_PTR, "read_list_ptr")
@@ -1125,7 +1125,6 @@ fn build_rec_union_help<'a, 'ctx, 'env>(
     fn_val: FunctionValue<'ctx>,
 ) {
     let tags = union_layout_tags(env.arena, &union_layout);
-    let is_nullable = union_layout.is_nullable();
     debug_assert!(!tags.is_empty());
 
     let context = &env.context;
@@ -1158,7 +1157,7 @@ fn build_rec_union_help<'a, 'ctx, 'env>(
     let should_recurse_block = env.context.append_basic_block(parent, "should_recurse");
 
     let ctx = env.context;
-    if is_nullable {
+    if union_layout.is_nullable() {
         let is_null = env.builder.build_is_null(value_ptr, "is_null");
 
         let then_block = ctx.append_basic_block(parent, "then");
@@ -1466,7 +1465,6 @@ fn build_reuse_rec_union_help<'a, 'ctx, 'env>(
     dec_function: FunctionValue<'ctx>,
 ) {
     let tags = union_layout_tags(env.arena, &union_layout);
-    let is_nullable = union_layout.is_nullable();
 
     debug_assert!(!tags.is_empty());
 
@@ -1500,7 +1498,7 @@ fn build_reuse_rec_union_help<'a, 'ctx, 'env>(
     let should_recurse_block = env.context.append_basic_block(parent, "should_recurse");
 
     let ctx = env.context;
-    if is_nullable {
+    if union_layout.is_nullable() {
         let is_null = env.builder.build_is_null(value_ptr, "is_null");
 
         let then_block = ctx.append_basic_block(parent, "then");