diff --git a/src/mainboard/lenovo/g505s/acpi/gpe.asl b/src/mainboard/lenovo/g505s/acpi/gpe.asl
index 910d2e66a8..f137606974 100644
--- a/src/mainboard/lenovo/g505s/acpi/gpe.asl
+++ b/src/mainboard/lenovo/g505s/acpi/gpe.asl
@@ -15,7 +15,7 @@ Scope(\_GPE) {	/* Start Scope GPE */
 
 	/* USB controller PME# */
 	Method(_L0B) {
-		Store("USB PME", Debug)
+		Debug = "USB PME"
 		/* Notify devices of wake event */
 		Notify(\_SB.PCI0.UOH1, 0x02)
 		Notify(\_SB.PCI0.UOH2, 0x02)
@@ -37,16 +37,16 @@ Scope(\_GPE) {	/* Start Scope GPE */
 
 	/* Lid switch opened or closed */
 	Method(_L16) {
-		Store("Lid status changed", Debug)
+		Debug = "Lid status changed"
 		/* Flip trigger polarity */
-		Not(LPOL, LPOL)
+		LPOL = ~LPOL
 		/* Notify lid object of status change */
 		Notify(\_SB.LID, 0x80)
 	}
 
 	/* GPIO0 or GEvent8 event */
 	Method(_L18) {
-		Store("PCI bridge wake event", Debug)
+		Debug = "PCI bridge wake event"
 		/* Notify PCI bridges of wake event */
 		Notify(\_SB.PCI0.PBR4, 0x02)
 		Notify(\_SB.PCI0.PBR5, 0x02)
diff --git a/src/mainboard/lenovo/g505s/acpi/mainboard.asl b/src/mainboard/lenovo/g505s/acpi/mainboard.asl
index dd3318e3cc..be686309ca 100644
--- a/src/mainboard/lenovo/g505s/acpi/mainboard.asl
+++ b/src/mainboard/lenovo/g505s/acpi/mainboard.asl
@@ -56,7 +56,7 @@
 	 */
 	Method (PNOT)
 	{
-		Store("Received PNOT call (probably from EC)", Debug)
+		Debug = "Received PNOT call (probably from EC)"
 		/* TODO: Implement this */
 	}
 
@@ -75,7 +75,7 @@ Scope (\_SB) {
 			/* Make sure lid trigger polarity is set so that we
 			 * trigger an SCI when lid status changes.
 			 */
-			Not(GE22, LPOL)
+			LPOL = ~GE22
 		}
 	}
 
@@ -95,7 +95,7 @@ Scope (\_SB) {
 		/* Toggle wireless */
 		Method (WLTG)
 		{
-			Store( Not(GP57), GP57 )
+			GP57 = ~GP57
 		}
 		/* Return lid state */
 		Method (LIDS)
diff --git a/src/mainboard/lenovo/g505s/acpi/sleep.asl b/src/mainboard/lenovo/g505s/acpi/sleep.asl
index dde9c37cd0..cd714cec87 100644
--- a/src/mainboard/lenovo/g505s/acpi/sleep.asl
+++ b/src/mainboard/lenovo/g505s/acpi/sleep.asl
@@ -26,20 +26,20 @@ Method(\_PTS, 1) {
 	/* DBGO("\n") */
 
 	/* Clear sleep SMI status flag and enable sleep SMI trap. */
-	/*Store(One, CSSM)
-	Store(One, SSEN)*/
+	/*CSSM = 1
+	SSEN = 1*/
 
 	/* On older chips, clear PciExpWakeDisEn */
-	/*if (LLessEqual(\_SB.SBRI, 0x13)) {
-	*	Store(0,\_SB.PWDE)
+	/*if (\_SB.SBRI <= 0x13) {
+	*	\_SB.PWDE = 0
 	*}
 	*/
 
 	/* Clear wake status structure. */
-	Store(0, Index(WKST,0))
-	Store(0, Index(WKST,1))
+	WKST [0] = 0
+	WKST [1] = 0
 
-	Store (0x07, UPWS)
+	UPWS = 0x07
 } /* End Method(\_PTS) */
 
 /*
@@ -64,7 +64,7 @@ Method(\_WAK, 1) {
 	/* DBGO(" to S0\n") */
 
 	/* Re-enable HPET */
-	Store(1,USBS)
+	USBS = 1
 
 	Return(WKST)
 } /* End Method(\_WAK) */