diff --git a/credentials/alts/internal/handshaker/handshaker.go b/credentials/alts/internal/handshaker/handshaker.go
index 633c7125..083a3de6 100644
--- a/credentials/alts/internal/handshaker/handshaker.go
+++ b/credentials/alts/internal/handshaker/handshaker.go
@@ -74,8 +74,10 @@ func init() {
 	}
 }
 
-func acquire(n int64) bool {
+func acquire() bool {
 	mu.Lock()
+	// If we need n to be configurable, we can pass it as an argument.
+	n := int64(1)
 	success := maxPendingHandshakes-concurrentHandshakes >= n
 	if success {
 		concurrentHandshakes += n
@@ -84,8 +86,10 @@ func acquire(n int64) bool {
 	return success
 }
 
-func release(n int64) {
+func release() {
 	mu.Lock()
+	// If we need n to be configurable, we can pass it as an argument.
+	n := int64(1)
 	concurrentHandshakes -= n
 	if concurrentHandshakes < 0 {
 		mu.Unlock()
@@ -182,10 +186,10 @@ func NewServerHandshaker(ctx context.Context, conn *grpc.ClientConn, c net.Conn,
 // ClientHandshake starts and completes a client ALTS handshaking for GCP. Once
 // done, ClientHandshake returns a secure connection.
 func (h *altsHandshaker) ClientHandshake(ctx context.Context) (net.Conn, credentials.AuthInfo, error) {
-	if !acquire(1) {
+	if !acquire() {
 		return nil, nil, errDropped
 	}
-	defer release(1)
+	defer release()
 
 	if h.side != core.ClientSide {
 		return nil, nil, errors.New("only handshakers created using NewClientHandshaker can perform a client handshaker")
@@ -225,10 +229,10 @@ func (h *altsHandshaker) ClientHandshake(ctx context.Context) (net.Conn, credent
 // ServerHandshake starts and completes a server ALTS handshaking for GCP. Once
 // done, ServerHandshake returns a secure connection.
 func (h *altsHandshaker) ServerHandshake(ctx context.Context) (net.Conn, credentials.AuthInfo, error) {
-	if !acquire(1) {
+	if !acquire() {
 		return nil, nil, errDropped
 	}
-	defer release(1)
+	defer release()
 
 	if h.side != core.ServerSide {
 		return nil, nil, errors.New("only handshakers created using NewServerHandshaker can perform a server handshaker")