diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e398373..65fc4497 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Removed
+
+- **Breaking** method `SignatureDecipher::downloadPlayerScript()` was removed, use `SignatureDecipher::downloadRawPlayerScript()` instead
+- **Breaking** method `SignatureDecipher::decipherSignature()` was removed, use `SignatureDecipher::decipherSignatureWithRawPlayerScript()` instead
+
 ## [0.3] - 2017-07-28
 
 ### Added
diff --git a/src/SignatureDecipher.php b/src/SignatureDecipher.php
index 4b881e4e..6160e3d7 100644
--- a/src/SignatureDecipher.php
+++ b/src/SignatureDecipher.php
@@ -53,31 +53,6 @@ public static function downloadRawPlayerScript($playerURL)
 		);
 	}
 
-	/**
-	 * download the raw player script with cache
-	 *
-	 * @deprecated since version 0.3, to be removed in 0.4. Use SignatureDecipher::downloadRawPlayerScript() instead
-	 *
-	 * @param string $videoID
-	 * @return string returns the playerID
-	 */
-	public static function downloadPlayerScript($videoID)
-	{
-		@trigger_error(__METHOD__ . ' is deprecated since version 0.3, to be removed in 0.4. Use SignatureDecipher::downloadRawPlayerScript() instead', E_USER_DEPRECATED);
-
-		$player_info = static::getPlayerInfoByVideoId($videoID);
-
-		$playerID = $player_info[0];
-		$playerURL = $player_info[1];
-
-		if(!file_exists('cache/playerscript_' . $playerID)) {
-			$decipherScript = self::downloadRawPlayerScript($playerURL);
-			file_put_contents('cache/playerscript_' . $playerID, $decipherScript);
-		}
-
-		return $playerID;
-	}
-
 	/**
 	 * decipher a signature with a raw player script
 	 *
@@ -159,36 +134,6 @@ public static function decipherSignatureWithRawPlayerScript($decipherScript, $si
 		return $decipheredSignature;
 	}
 
-	/**
-	 * decipher a signature
-	 *
-	 * @deprecated since version 0.3, to be removed in 0.4. Use SignatureDecipher::decipherSignatureWithRawPlayerScript() instead
-	 *
-	 * @param string $playerID
-	 * @param string $signature
-	 * @return string returns the decipherd signature
-	 */
-	public static function decipherSignature($playerID, $signature)
-	{
-		@trigger_error(__METHOD__ . ' is deprecated since version 0.3, to be removed in 0.4. Use SignatureDecipher::decipherSignatureWithRawPlayerScript() instead', E_USER_DEPRECATED);
-
-		if(!$playerID) return;
-
-		if(file_exists("cache/playerscript_$playerID"))
-		{
-			$decipherScript = file_get_contents("cache/playerscript_$playerID");
-		}
-		else
-		{
-			die("\n==== Player script was not found for id: $playerID ====");
-		}
-
-		return static::decipherSignatureWithRawPlayerScript(
-			$decipherScript,
-			$signature
-		);
-	}
-
 	private static function executeSignaturePattern($patterns, $deciphers, $signature)
 	{
 		echo("\n\n\n==== Retrieved deciphers ====\n\n");