diff --git a/cli/internal/packagemanager/packagemanager.go b/cli/internal/packagemanager/packagemanager.go
index 99dcf4a452b7f..79c07e6fc42b3 100644
--- a/cli/internal/packagemanager/packagemanager.go
+++ b/cli/internal/packagemanager/packagemanager.go
@@ -73,11 +73,6 @@ var packageManagers = []PackageManager{
 	nodejsPnpm6,
 }
 
-var (
-	packageManagerPattern = `(npm|pnpm|yarn)@(\d+)\.\d+\.\d+(-.+)?`
-	packageManagerRegex   = regexp.MustCompile(packageManagerPattern)
-)
-
 // GetPackageManager reads the package manager name sent by the Rust side
 func GetPackageManager(name string) (packageManager *PackageManager, err error) {
 	switch name {