diff --git a/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c b/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
index 6453543cf09..a9bb98e381f 100644
--- a/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
+++ b/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
@@ -5647,6 +5647,7 @@ ntv_shader_prepare(nir_shader *nir)
    NIR_PASS(_, nir, nir_split_per_member_structs);
    NIR_PASS(_, nir, nir_lower_returns);
    NIR_PASS(_, nir, nir_inline_functions);
+   nir_cleanup_functions(nir);
    optimize_nir(nir);
    /* required until phi support is complete */
    NIR_PASS(_, nir, nir_convert_from_ssa, true, false);