diff --git a/src/nouveau/compiler/nak.h b/src/nouveau/compiler/nak.h
index 15035214187..b8affd1f4e7 100644
--- a/src/nouveau/compiler/nak.h
+++ b/src/nouveau/compiler/nak.h
@@ -29,7 +29,6 @@ uint64_t nak_debug_flags(const struct nak_compiler *nak);
 const struct nir_shader_compiler_options *
 nak_nir_options(const struct nak_compiler *nak);
 
-void nak_optimize_nir(nir_shader *nir, const struct nak_compiler *nak);
 void nak_preprocess_nir(nir_shader *nir, const struct nak_compiler *nak);
 
 PRAGMA_DIAGNOSTIC_PUSH
diff --git a/src/nouveau/compiler/nak_private.h b/src/nouveau/compiler/nak_private.h
index 0638143d4f7..b15346cfbe4 100644
--- a/src/nouveau/compiler/nak_private.h
+++ b/src/nouveau/compiler/nak_private.h
@@ -237,6 +237,8 @@ nak_is_only_used_by_iadd(const nir_alu_instr *instr)
    return true;
 }
 
+void nak_optimize_nir(nir_shader *nir, const struct nak_compiler *nak);
+
 struct nak_memstream {
    FILE *stream;
    char *buffer;