diff --git a/ChangeLog b/ChangeLog
index 7e314ff2..bed9403c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-03-22  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
+
+	Code cleanup
+	* src/SleepCommand.cc
+
 2010-03-22  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
 
 	Do exact match if IP address is specified in --no-proxy.
diff --git a/src/SleepCommand.cc b/src/SleepCommand.cc
index dca19457..78811de1 100644
--- a/src/SleepCommand.cc
+++ b/src/SleepCommand.cc
@@ -47,9 +47,7 @@ SleepCommand::SleepCommand(cuid_t cuid, DownloadEngine* e,
   nextCommand(nextCommand), wait(wait) {}
 
 SleepCommand::~SleepCommand() {
-  if(nextCommand) {
-    delete(nextCommand);
-  }
+  delete nextCommand;
 }
 
 bool SleepCommand::execute() {