diff --git a/src/asahi/compiler/agx_compile.c b/src/asahi/compiler/agx_compile.c
index e52fea05b0e..072e9ddc2ad 100644
--- a/src/asahi/compiler/agx_compile.c
+++ b/src/asahi/compiler/agx_compile.c
@@ -3161,7 +3161,7 @@ agx_compile_shader_nir(nir_shader *nir, struct agx_shader_key *key,
     * count is dynamic when the main fragment shader is compiled.
     */
    if (nir->info.stage == MESA_SHADER_FRAGMENT && key->fs.nr_samples) {
-      if (agx_nir_lower_sample_mask(nir, key->fs.nr_samples)) {
+      if (agx_nir_lower_sample_mask(nir)) {
          /* Clean up ixor(bcsel) patterns created from sample mask lowering.
           * Also constant fold to get the benefit. We need to rescalarize after
           * folding constants.
diff --git a/src/asahi/compiler/agx_compiler.h b/src/asahi/compiler/agx_compiler.h
index bd114782944..66296f45513 100644
--- a/src/asahi/compiler/agx_compiler.h
+++ b/src/asahi/compiler/agx_compiler.h
@@ -926,7 +926,7 @@ void agx_emit_parallel_copies(agx_builder *b, struct agx_copy *copies,
 void agx_compute_liveness(agx_context *ctx);
 void agx_liveness_ins_update(BITSET_WORD *live, agx_instr *I);
 
-bool agx_nir_lower_sample_mask(nir_shader *s, unsigned nr_samples);
+bool agx_nir_lower_sample_mask(nir_shader *s);
 bool agx_nir_lower_texture(nir_shader *s);
 bool agx_nir_opt_preamble(nir_shader *s, unsigned *preamble_size);
 bool agx_nir_lower_load_mask(nir_shader *shader);
diff --git a/src/asahi/compiler/agx_nir_lower_sample_mask.c b/src/asahi/compiler/agx_nir_lower_sample_mask.c
index 8cfd176387a..3746f4f21f7 100644
--- a/src/asahi/compiler/agx_nir_lower_sample_mask.c
+++ b/src/asahi/compiler/agx_nir_lower_sample_mask.c
@@ -161,7 +161,7 @@ run_tests_at_start(nir_shader *shader)
 }
 
 bool
-agx_nir_lower_sample_mask(nir_shader *shader, unsigned nr_samples)
+agx_nir_lower_sample_mask(nir_shader *shader)
 {
    bool writes_zs =
       shader->info.outputs_written &