diff --git a/src/Bridges/DatabaseTracy/ConnectionPanel.php b/src/Bridges/DatabaseTracy/ConnectionPanel.php
index f66400265..1b409bbb8 100644
--- a/src/Bridges/DatabaseTracy/ConnectionPanel.php
+++ b/src/Bridges/DatabaseTracy/ConnectionPanel.php
@@ -55,7 +55,7 @@ public function logQuery(Nette\Database\Connection $connection, $result)
 		$this->count++;
 
 		$source = NULL;
-		$trace = $result instanceof \PDOException ? $result->getTrace() : debug_backtrace(PHP_VERSION_ID >= 50306 ? DEBUG_BACKTRACE_IGNORE_ARGS : FALSE);
+		$trace = $result instanceof \PDOException ? $result->getTrace() : debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
 		foreach ($trace as $row) {
 			if (isset($row['file']) && is_file($row['file']) && !Tracy\Debugger::getBluescreen()->isCollapsed($row['file'])) {
 				if ((isset($row['function']) && strpos($row['function'], 'call_user_func') === 0)
diff --git a/src/Database/Helpers.php b/src/Database/Helpers.php
index 2a53f381a..4156519eb 100644
--- a/src/Database/Helpers.php
+++ b/src/Database/Helpers.php
@@ -120,7 +120,7 @@ public static function dumpSql($sql, array $params = NULL, Connection $connectio
 
 			} elseif (is_string($param)) {
 				$length = Nette\Utils\Strings::length($param);
-				$truncated = Nette\Utils\Strings::truncate($param, Helpers::$maxLength);
+				$truncated = Nette\Utils\Strings::truncate($param, self::$maxLength);
 				$text = htmlspecialchars($connection ? $connection->quote($truncated) : '\'' . $truncated . '\'', ENT_NOQUOTES, 'UTF-8');
 				return '<span title="Length ' . $length . ' characters">' . $text . '</span>';
 
diff --git a/src/Database/Table/Selection.php b/src/Database/Table/Selection.php
index 668021d07..01d61b19a 100644
--- a/src/Database/Table/Selection.php
+++ b/src/Database/Table/Selection.php
@@ -610,7 +610,7 @@ protected function getGeneralCacheKey()
 		$key = [__CLASS__, $this->name, $this->sqlBuilder->getConditions()];
 		if (!$this->generalCacheTraceKey) {
 			$trace = [];
-			foreach (debug_backtrace(PHP_VERSION_ID >= 50306 ? DEBUG_BACKTRACE_IGNORE_ARGS : FALSE) as $item) {
+			foreach (debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS) as $item) {
 				$trace[] = isset($item['file'], $item['line']) ? $item['file'] . $item['line'] : NULL;
 			};
 			$this->generalCacheTraceKey = $trace;