diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
index 1f357d499c89..71e00d03062f 100644
--- a/tools/power/x86/intel-speed-select/isst-config.c
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -1331,7 +1331,7 @@ static void dump_pbf_config_for_cpu(struct isst_id *id, void *arg1, void *arg2,
 		exit(1);
 	} else {
 		isst_pbf_display_information(id, outf, tdp_level, &pbf_info);
-		isst_get_pbf_info_complete(&pbf_info);
+		free_cpu_set(pbf_info.core_cpumask);
 	}
 }
 
diff --git a/tools/power/x86/intel-speed-select/isst-core.c b/tools/power/x86/intel-speed-select/isst-core.c
index 030c0bd4e5f0..41aa1adc2025 100644
--- a/tools/power/x86/intel-speed-select/isst-core.c
+++ b/tools/power/x86/intel-speed-select/isst-core.c
@@ -390,11 +390,6 @@ int isst_get_pbf_info(struct isst_id *id, int level, struct isst_pbf_info *pbf_i
 	return isst_ops->get_pbf_info(id, level, pbf_info);
 }
 
-void isst_get_pbf_info_complete(struct isst_pbf_info *pbf_info)
-{
-	free_cpu_set(pbf_info->core_cpumask);
-}
-
 int isst_set_pbf_fact_status(struct isst_id *id, int pbf, int enable)
 {
 	struct isst_pkg_ctdp pkg_dev;
diff --git a/tools/power/x86/intel-speed-select/isst.h b/tools/power/x86/intel-speed-select/isst.h
index 18659506bf68..06e089eaaa28 100644
--- a/tools/power/x86/intel-speed-select/isst.h
+++ b/tools/power/x86/intel-speed-select/isst.h
@@ -253,7 +253,6 @@ extern int isst_set_tdp_level(struct isst_id *id, int tdp_level);
 extern int isst_set_pbf_fact_status(struct isst_id *id, int pbf, int enable);
 extern int isst_get_pbf_info(struct isst_id *id, int level,
 			     struct isst_pbf_info *pbf_info);
-extern void isst_get_pbf_info_complete(struct isst_pbf_info *pbf_info);
 extern int isst_get_fact_info(struct isst_id *id, int level, int fact_bucket,
 			      struct isst_fact_info *fact_info);
 extern int isst_get_fact_bucket_info(struct isst_id *id, int level,