diff --git a/Concurrent Systems/test/Untitled.md b/Concurrent Systems/test/Untitled.md
index c72aa51..2993593 100644
--- a/Concurrent Systems/test/Untitled.md	
+++ b/Concurrent Systems/test/Untitled.md	
@@ -34,36 +34,3 @@ end_write() :=
 	GLOB_MUTEX.up()
 	return
 ```
-
-```
-monitor RW_READERS :=
-	AR, WR, AW, WW, R_batch init at 0
-	condition CR, CW
-
-operation begin_read() :=
-	WR++
-	if (WW || AW != 0 then
-		CR.wait()
-		CR.signal()
-	AR++
-	WR--
-
-operation end_read() :=
-	AR--
-	if AR = 0 then
-		CW.signal()
-
-operation begin_write() :=
-	WW++
-	if (AR + AW != 0) then
-		CW.wait()
-	AW++
-	WW--
-
-operation end_write() :=
-	AW--
-	if WR > 0 then
-		CR.signal()
-	else
-		CW.signal()
-```
\ No newline at end of file