diff --git a/pkg/containerfs/containerfs.go b/pkg/containerfs/containerfs.go
index e65f783a23..186c138f81 100644
--- a/pkg/containerfs/containerfs.go
+++ b/pkg/containerfs/containerfs.go
@@ -6,6 +6,18 @@ import (
 	"github.com/moby/sys/symlink"
 )
 
+// CleanScopedPath prepares the given path to be combined with a mount path or
+// a drive-letter. On Windows, it removes any existing driveletter (e.g. "C:").
+// The returned path is always prefixed with a [filepath.Separator].
+func CleanScopedPath(path string) string {
+	if len(path) >= 2 {
+		if v := filepath.VolumeName(path); len(v) > 0 {
+			path = path[len(v):]
+		}
+	}
+	return filepath.Join(string(filepath.Separator), path)
+}
+
 // ResolveScopedPath evaluates the given path scoped to the root.
 // For example, if root=/a, and path=/b/c, then this function would return /a/b/c.
 func ResolveScopedPath(root, path string) (string, error) {
diff --git a/pkg/containerfs/containerfs_unix.go b/pkg/containerfs/containerfs_unix.go
deleted file mode 100644
index 1e0b8a99a6..0000000000
--- a/pkg/containerfs/containerfs_unix.go
+++ /dev/null
@@ -1,10 +0,0 @@
-//go:build !windows
-
-package containerfs // import "github.com/docker/docker/pkg/containerfs"
-
-import "path/filepath"
-
-// CleanScopedPath preappends a to combine with a mnt path.
-func CleanScopedPath(path string) string {
-	return filepath.Join(string(filepath.Separator), path)
-}
diff --git a/pkg/containerfs/containerfs_windows.go b/pkg/containerfs/containerfs_windows.go
deleted file mode 100644
index f4011d1203..0000000000
--- a/pkg/containerfs/containerfs_windows.go
+++ /dev/null
@@ -1,15 +0,0 @@
-package containerfs // import "github.com/docker/docker/pkg/containerfs"
-
-import "path/filepath"
-
-// CleanScopedPath removes the C:\ syntax, and prepares to combine
-// with a volume path
-func CleanScopedPath(path string) string {
-	if len(path) >= 2 {
-		c := path[0]
-		if path[1] == ':' && ('a' <= c && c <= 'z' || 'A' <= c && c <= 'Z') {
-			path = path[2:]
-		}
-	}
-	return filepath.Join(string(filepath.Separator), path)
-}