diff --git a/daemon/internal/builder-next/builder.go b/daemon/internal/builder-next/builder.go
index 550753faee..5a50b33513 100644
--- a/daemon/internal/builder-next/builder.go
+++ b/daemon/internal/builder-next/builder.go
@@ -150,15 +150,26 @@ func (b *Builder) Cancel(ctx context.Context, id string) error {
 }
 
 // DiskUsage returns a report about space used by build cache
-func (b *Builder) DiskUsage(ctx context.Context) ([]build.CacheRecord, error) {
+func (b *Builder) DiskUsage(ctx context.Context, options buildbackend.DiskUsageOptions) (*buildbackend.DiskUsage, error) {
 	duResp, err := b.controller.DiskUsage(ctx, &controlapi.DiskUsageRequest{})
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("error getting build cache usage: %w", err)
 	}
 
-	var items []build.CacheRecord
+	var usage buildbackend.DiskUsage
 	for _, r := range duResp.Record {
-		items = append(items, build.CacheRecord{
+		usage.TotalCount++
+		usage.TotalSize += r.Size
+		if r.InUse {
+			usage.ActiveCount++
+		}
+		if !r.InUse && !r.Shared {
+			usage.Reclaimable += r.Size
+		}
+		if !options.Verbose {
+			continue
+		}
+		usage.Items = append(usage.Items, build.CacheRecord{
 			ID:          r.ID,
 			Parents:     r.Parents,
 			Type:        r.RecordType,
@@ -182,7 +193,7 @@ func (b *Builder) DiskUsage(ctx context.Context) ([]build.CacheRecord, error) {
 			UsageCount: int(r.UsageCount),
 		})
 	}
-	return items, nil
+	return &usage, nil
 }
 
 // Prune clears all reclaimable build cache.
diff --git a/daemon/server/buildbackend/build.go b/daemon/server/buildbackend/build.go
index bc5f9b27ee..a3545c7455 100644
--- a/daemon/server/buildbackend/build.go
+++ b/daemon/server/buildbackend/build.go
@@ -11,6 +11,13 @@ import (
 	"github.com/moby/moby/v2/daemon/internal/filters"
 )
 
+type DiskUsageOptions struct {
+	Verbose bool
+}
+
+// DiskUsage contains disk usage for the build cache.
+type DiskUsage = build.DiskUsage
+
 type CachePruneOptions struct {
 	All           bool
 	ReservedSpace int64
diff --git a/daemon/server/router/system/backend.go b/daemon/server/router/system/backend.go
index 3d1c12f1f9..a9e289f01e 100644
--- a/daemon/server/router/system/backend.go
+++ b/daemon/server/router/system/backend.go
@@ -4,13 +4,13 @@ import (
 	"context"
 	"time"
 
-	"github.com/moby/moby/api/types/build"
 	"github.com/moby/moby/api/types/events"
 	"github.com/moby/moby/api/types/registry"
 	"github.com/moby/moby/api/types/swarm"
 	"github.com/moby/moby/api/types/system"
 	"github.com/moby/moby/v2/daemon/internal/filters"
 	"github.com/moby/moby/v2/daemon/server/backend"
+	"github.com/moby/moby/v2/daemon/server/buildbackend"
 )
 
 // Backend is the methods that need to be implemented to provide
@@ -32,7 +32,7 @@ type ClusterBackend interface {
 
 // BuildBackend provides build specific system information.
 type BuildBackend interface {
-	DiskUsage(context.Context) ([]build.CacheRecord, error)
+	DiskUsage(context.Context, buildbackend.DiskUsageOptions) (*buildbackend.DiskUsage, error)
 }
 
 // StatusProvider provides methods to get the swarm status of the current node.
diff --git a/daemon/server/router/system/system_routes.go b/daemon/server/router/system/system_routes.go
index 9aad8ca3f6..1a2a3c0a55 100644
--- a/daemon/server/router/system/system_routes.go
+++ b/daemon/server/router/system/system_routes.go
@@ -24,6 +24,7 @@ import (
 	"github.com/moby/moby/v2/daemon/internal/timestamp"
 	"github.com/moby/moby/v2/daemon/internal/versions"
 	"github.com/moby/moby/v2/daemon/server/backend"
+	"github.com/moby/moby/v2/daemon/server/buildbackend"
 	"github.com/moby/moby/v2/daemon/server/httputils"
 	"github.com/moby/moby/v2/daemon/server/router/build"
 	"github.com/moby/moby/v2/pkg/ioutils"
@@ -197,11 +198,13 @@ func (s *systemRouter) getDiskUsage(ctx context.Context, w http.ResponseWriter,
 		})
 	}
 
-	var buildCache []buildtypes.CacheRecord
+	var buildCacheUsage *buildbackend.DiskUsage
 	if getBuildCache {
 		eg.Go(func() error {
 			var err error
-			buildCache, err = s.builder.DiskUsage(ctx)
+			buildCacheUsage, err = s.builder.DiskUsage(ctx, buildbackend.DiskUsageOptions{
+				Verbose: verbose || legacyFields,
+			})
 			if err != nil {
 				return errors.Wrap(err, "error getting build cache usage")
 			}
@@ -257,35 +260,18 @@ func (s *systemRouter) getDiskUsage(ctx context.Context, w http.ResponseWriter,
 			v.VolumeUsage.Items = diskUsage.Volumes.Items
 		}
 	}
-	if getBuildCache {
+	if buildCacheUsage != nil {
 		v.BuildCacheUsage = &buildtypes.DiskUsage{
-			TotalCount: int64(len(buildCache)),
+			ActiveCount: buildCacheUsage.ActiveCount,
+			Reclaimable: buildCacheUsage.Reclaimable,
+			TotalCount:  buildCacheUsage.TotalCount,
+			TotalSize:   buildCacheUsage.TotalSize,
 		}
 
-		activeCount := v.BuildCacheUsage.TotalCount
-		var totalSize, reclaimable int64
-
-		for _, b := range buildCache {
-			if versions.LessThan(version, "1.42") {
-				totalSize += b.Size
-			}
-
-			if !b.InUse {
-				activeCount--
-			}
-			if !b.InUse && !b.Shared {
-				reclaimable += b.Size
-			}
-		}
-
-		v.BuildCacheUsage.ActiveCount = activeCount
-		v.BuildCacheUsage.TotalSize = totalSize
-		v.BuildCacheUsage.Reclaimable = reclaimable
-
 		if legacyFields {
-			v.BuildCache = nonNilSlice(buildCache) //nolint: staticcheck,SA1019: kept to maintain backwards compatibility with API < v1.52.
+			v.BuildCache = nonNilSlice(buildCacheUsage.Items) //nolint: staticcheck,SA1019: kept to maintain backwards compatibility with API < v1.52.
 		} else if verbose {
-			v.BuildCacheUsage.Items = buildCache
+			v.BuildCacheUsage.Items = buildCacheUsage.Items
 		}
 	}
 	return httputils.WriteJSON(w, http.StatusOK, v)