diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index 6b164e4ae122..177598158e46 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -478,26 +478,6 @@ const struct cpumask *cpu_coregroup_mask(int cpu)
 	return core_mask;
 }
 
-#ifdef CONFIG_SCHED_WALT
-void update_possible_siblings_masks(unsigned int cpuid)
-{
-	struct cpu_topology *cpu_topo, *cpuid_topo = &cpu_topology[cpuid];
-	int cpu;
-
-	if (cpuid_topo->package_id == -1)
-		return;
-
-	for_each_possible_cpu(cpu) {
-		cpu_topo = &cpu_topology[cpu];
-
-		if (cpuid_topo->package_id != cpu_topo->package_id)
-			continue;
-		cpumask_set_cpu(cpuid, &cpu_topo->core_possible_sibling);
-		cpumask_set_cpu(cpu, &cpuid_topo->core_possible_sibling);
-	}
-}
-#endif
-
 void update_siblings_masks(unsigned int cpuid)
 {
 	struct cpu_topology *cpu_topo, *cpuid_topo = &cpu_topology[cpuid];
@@ -577,9 +557,6 @@ __weak int __init parse_acpi_topology(void)
 #if defined(CONFIG_ARM64) || defined(CONFIG_RISCV)
 void __init init_cpu_topology(void)
 {
-#ifdef CONFIG_SCHED_WALT
-	int cpu;
-#endif
 	reset_cpu_topology();
 
 	/*
@@ -590,11 +567,5 @@ void __init init_cpu_topology(void)
 		reset_cpu_topology();
 	else if (of_have_populated_dt() && parse_dt_topology())
 		reset_cpu_topology();
-#ifdef CONFIG_SCHED_WALT
-	else {
-		for_each_possible_cpu(cpu)
-			update_possible_siblings_masks(cpu);
-	}
-#endif
 }
 #endif
diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h
index 883fba81796c..5402bc0e2b1e 100644
--- a/include/linux/arch_topology.h
+++ b/include/linux/arch_topology.h
@@ -48,9 +48,6 @@ struct cpu_topology {
 	int llc_id;
 	cpumask_t thread_sibling;
 	cpumask_t core_sibling;
-#ifdef CONFIG_SCHED_WALT
-	cpumask_t core_possible_sibling;
-#endif
 	cpumask_t llc_sibling;
 };
 
@@ -62,10 +59,6 @@ extern struct cpu_topology cpu_topology[NR_CPUS];
 #define topology_core_cpumask(cpu)	(&cpu_topology[cpu].core_sibling)
 #define topology_sibling_cpumask(cpu)	(&cpu_topology[cpu].thread_sibling)
 #define topology_llc_cpumask(cpu)	(&cpu_topology[cpu].llc_sibling)
-#ifdef CONFIG_SCHED_WALT
-#define topology_possible_sibling_cpumask(cpu)		\
-				(&cpu_topology[cpu].core_possible_sibling)
-#endif
 void init_cpu_topology(void);
 void store_cpu_topology(unsigned int cpuid);
 const struct cpumask *cpu_coregroup_mask(int cpu);
diff --git a/include/linux/topology.h b/include/linux/topology.h
index 831ad69caee8..eb2fe6edd73c 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -214,9 +214,6 @@ static inline int cpu_to_mem(int cpu)
 #ifndef topology_die_cpumask
 #define topology_die_cpumask(cpu)		cpumask_of(cpu)
 #endif
-#ifndef topology_possible_sibling_cpumask
-#define topology_possible_sibling_cpumask(cpu)	cpumask_of(cpu)
-#endif
 
 #ifdef CONFIG_SCHED_SMT
 static inline const struct cpumask *cpu_smt_mask(int cpu)