diff --git a/redisson/src/main/java/org/redisson/RedissonPermitExpirableSemaphore.java b/redisson/src/main/java/org/redisson/RedissonPermitExpirableSemaphore.java
index 19cb26f6c..ecd3963d5 100644
--- a/redisson/src/main/java/org/redisson/RedissonPermitExpirableSemaphore.java
+++ b/redisson/src/main/java/org/redisson/RedissonPermitExpirableSemaphore.java
@@ -24,8 +24,6 @@ import org.redisson.client.codec.LongCodec;
 import org.redisson.client.protocol.RedisCommands;
 import org.redisson.command.CommandAsyncExecutor;
 import org.redisson.misc.CompletableFutureWrapper;
-import org.redisson.misc.RPromise;
-import org.redisson.misc.RedissonPromise;
 import org.redisson.pubsub.SemaphorePubSub;
 
 import java.util.Arrays;
@@ -141,7 +139,7 @@ public class RedissonPermitExpirableSemaphore extends RedissonExpirable implemen
         return new CompletableFutureWrapper<>(f);
     }
     
-    private void tryAcquireAsync(AtomicLong time, int permits, RedissonLockEntry entry, RPromise<String> result, long ttl, TimeUnit timeUnit) {
+    private void tryAcquireAsync(AtomicLong time, int permits, RedissonLockEntry entry, CompletableFuture<String> result, long ttl, TimeUnit timeUnit) {
         if (result.isDone()) {
             unsubscribe(entry);
             return;
@@ -149,17 +147,17 @@ public class RedissonPermitExpirableSemaphore extends RedissonExpirable implemen
         
         if (time.get() <= 0) {
             unsubscribe(entry);
-            result.trySuccess(null);
+            result.complete(null);
             return;
         }
         
         long timeoutDate = calcTimeout(ttl, timeUnit);
         long curr = System.currentTimeMillis();
         RFuture<String> tryAcquireFuture = tryAcquireAsync(permits, timeoutDate);
-        tryAcquireFuture.onComplete((permitId, e) -> {
+        tryAcquireFuture.whenComplete((permitId, e) -> {
             if (e != null) {
                 unsubscribe(entry);
-                result.tryFailure(e);
+                result.completeExceptionally(e);
                 return;
             }
 
@@ -167,7 +165,7 @@ public class RedissonPermitExpirableSemaphore extends RedissonExpirable implemen
             if (permitId != null) {
                 if (!permitId.startsWith(":")) {
                     unsubscribe(entry);
-                    if (!result.trySuccess(permitId)) {
+                    if (!result.complete(permitId)) {
                         releaseAsync(permitId);
                     }
                     return;
@@ -183,7 +181,7 @@ public class RedissonPermitExpirableSemaphore extends RedissonExpirable implemen
             
             if (time.get() <= 0) {
                 unsubscribe(entry);
-                result.trySuccess(null);
+                result.complete(null);
                 return;
             }
 
@@ -378,9 +376,11 @@ public class RedissonPermitExpirableSemaphore extends RedissonExpirable implemen
                       "return ':' .. tostring(v[2]); " +
                   "end " +
                   "return nil;",
-                  Arrays.<Object>asList(getRawName(), timeoutName, getChannelName()), permits, timeoutDate, id, System.currentTimeMillis(), nonExpirableTimeout);
+                  Arrays.<Object>asList(getRawName(), timeoutName, getChannelName()),
+                permits, timeoutDate, id, System.currentTimeMillis(), nonExpirableTimeout);
     }
 
+    @Override
     public RFuture<String> tryAcquireAsync(long waitTime, TimeUnit unit) {
         return tryAcquireAsync(1, waitTime, -1, unit);
     }
@@ -465,19 +465,19 @@ public class RedissonPermitExpirableSemaphore extends RedissonExpirable implemen
     }
 
     private RFuture<String> tryAcquireAsync(int permits, long waitTime, long ttl, TimeUnit timeUnit) {
-        RPromise<String> result = new RedissonPromise<String>();
+        CompletableFuture<String> result = new CompletableFuture<>();
         AtomicLong time = new AtomicLong(timeUnit.toMillis(waitTime));
         long curr = System.currentTimeMillis();
         long timeoutDate = calcTimeout(ttl, timeUnit);
         RFuture<String> tryAcquireFuture = tryAcquireAsync(permits, timeoutDate);
-        tryAcquireFuture.onComplete((permitId, e) -> {
+        tryAcquireFuture.whenComplete((permitId, e) -> {
             if (e != null) {
-                result.tryFailure(e);
+                result.completeExceptionally(e);
                 return;
             }
 
             if (permitId != null && !permitId.startsWith(":")) {
-                if (!result.trySuccess(permitId)) {
+                if (!result.complete(permitId)) {
                     releaseAsync(permitId);
                 }
                 return;
@@ -487,7 +487,7 @@ public class RedissonPermitExpirableSemaphore extends RedissonExpirable implemen
             time.addAndGet(-el);
             
             if (time.get() <= 0) {
-                result.trySuccess(null);
+                result.complete(null);
                 return;
             }
             
@@ -496,7 +496,7 @@ public class RedissonPermitExpirableSemaphore extends RedissonExpirable implemen
             CompletableFuture<RedissonLockEntry> subscribeFuture = subscribe();
             subscribeFuture.whenComplete((r, ex) -> {
                 if (ex != null) {
-                    result.tryFailure(ex);
+                    result.completeExceptionally(ex);
                     return;
                 }
                 
@@ -515,7 +515,7 @@ public class RedissonPermitExpirableSemaphore extends RedissonExpirable implemen
                     @Override
                     public void run(Timeout timeout) throws Exception {
                         if (!subscribeFuture.isDone()) {
-                            result.trySuccess(null);
+                            result.complete(null);
                         }
                     }
                 }, time.get(), TimeUnit.MILLISECONDS);
@@ -523,7 +523,7 @@ public class RedissonPermitExpirableSemaphore extends RedissonExpirable implemen
             }
         });
         
-        return result;
+        return new CompletableFutureWrapper<>(result);
     }
 
     private CompletableFuture<RedissonLockEntry> subscribe() {