diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 3cb53840804392f0adc914a68e01f1cf36611dd0..b63b1f0fac905a31349895b0834f1e8b26f6a12c 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -6430,6 +6430,7 @@ static struct bpf_cand_cache *populate_cand_cache(struct bpf_cand_cache *cands,
 	return new_cands;
 }
 
+#ifdef CONFIG_DEBUG_INFO_BTF_MODULES
 static void __purge_cand_cache(struct btf *btf, struct bpf_cand_cache **cache,
 			       int cache_size)
 {
@@ -6468,6 +6469,7 @@ static void purge_cand_cache(struct btf *btf)
 	__purge_cand_cache(btf, module_cand_cache, MODULE_CAND_CACHE_SIZE);
 	mutex_unlock(&cand_cache_mutex);
 }
+#endif
 
 static struct bpf_cand_cache *
 bpf_core_add_cands(struct bpf_cand_cache *cands, const struct btf *targ_btf,