diff --git a/os/common/ext/SN/SN32F26x/system_SN32F260.c b/os/common/ext/SN/SN32F26x/system_SN32F260.c
index 17dfd3f4..bbc74137 100644
--- a/os/common/ext/SN/SN32F26x/system_SN32F260.c
+++ b/os/common/ext/SN/SN32F26x/system_SN32F260.c
@@ -129,19 +129,6 @@ void SystemCoreClockUpdate (void)            /* Get Core Clock Frequency      */
 	}
 
 	SystemCoreClock /= AHB_prescaler;
-
-	//;;;;;;;;; Need for SN32F260 Begin
-	if (SystemCoreClock > 24000000)
-	{	
-		SN_FLASH->LPCTRL = 0x5AFA0005;
-	}
-	else	//SystemCoreClock <= 24000000
-	{
-		SN_FLASH->LPCTRL = 0x5AFA0000;
-	}
-	//;;;;;;;;; Need for SN32F260 End
-
-	//return;
 }
 
 /**
@@ -160,7 +147,6 @@ void SystemInit (void)
 	#if SYS0_CLKCFG_VAL == IHRC			//IHRC
 	
 	#if (AHB_PRESCALAR == 0 | AHB_PRESCALAR == 1)
-	SN_FLASH->LPCTRL = 0x5AFA0004;
 	SN_FLASH->LPCTRL = 0x5AFA0005;
 	#else
 	SN_FLASH->LPCTRL = 0x5AFA0000;