diff --git a/arch/arm/mach-rk30/tsadc.c b/arch/arm/mach-rk30/tsadc.c
index 702d816bf09c..0415f8f67d99 100644
--- a/arch/arm/mach-rk30/tsadc.c
+++ b/arch/arm/mach-rk30/tsadc.c
@@ -134,7 +134,6 @@ static void rk30_tsadc_get(unsigned int chn, int *temp, int *code)
 		}
 	}
 	tsadc_writel(0, TSADC_CTRL);
-	msleep(10);
 
 	clk_disable(g_dev->clk);
 	clk_disable(g_dev->pclk);