diff --git a/src/gallium/auxiliary/nir/nir_to_tgsi.c b/src/gallium/auxiliary/nir/nir_to_tgsi.c
index 540e4be236b..5b3760ea059 100644
--- a/src/gallium/auxiliary/nir/nir_to_tgsi.c
+++ b/src/gallium/auxiliary/nir/nir_to_tgsi.c
@@ -2193,6 +2193,9 @@ ntt_emit_impl(struct ntt_compile *c, nir_function_impl *impl)
 
    ntt_setup_registers(c, &impl->registers);
    ntt_emit_cf_list(c, &impl->body);
+
+   ralloc_free(c->liveness);
+   c->liveness = NULL;
 }
 
 static int