diff --git a/CHANGELOG.md b/CHANGELOG.md
index 366c773..c5aac7d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,13 @@ This project adheres to [Semantic Versioning](http://semver.org/) and [Keep a CH
 
 ## [1.4.1] - 2017-11-19
 
-* Fixes PHP warning when trying to get ready request IDs - [#14] 
+### Fixes
+
+* PHP warning when trying to get ready request IDs - [#14]
+
+### Improves
+
+* Loop performance  
 
 ## [1.4.0] - 2017-09-28
 
diff --git a/src/Client.php b/src/Client.php
index 4a86137..cf01e93 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -39,8 +39,6 @@
  */
 class Client
 {
-	const LOOP_TICK_USEC = 2000;
-
 	/** @var ConfiguresSocketConnection */
 	private $connection;
 
@@ -160,8 +158,6 @@ public function waitForResponse( int $requestId, $timeoutMs = null )
 				$this->fetchResponseAndNotifyCallback( $socket, $timeoutMs );
 				break;
 			}
-
-			usleep( self::LOOP_TICK_USEC );
 		}
 	}
 
@@ -184,8 +180,6 @@ public function waitForResponses( $timeoutMs = null )
 			{
 				$this->fetchResponseAndNotifyCallback( $socket, $timeoutMs );
 			}
-
-			usleep( self::LOOP_TICK_USEC );
 		}
 	}