diff --git a/src/soc/intel/tigerlake/acpi/tcss_pcierp.asl b/src/soc/intel/tigerlake/acpi/tcss_pcierp.asl
index 08d890087c..39180f7393 100644
--- a/src/soc/intel/tigerlake/acpi/tcss_pcierp.asl
+++ b/src/soc/intel/tigerlake/acpi/tcss_pcierp.asl
@@ -196,8 +196,6 @@ Method (_PS0, 0, Serialized)
 	If (PMEX == 1) {
 		PMEX = 0  /* Disable Power Management SCI */
 	}
-
-	Sleep(100)  /* Wait for 100ms before return to OS starts any OS activities. */
 }
 
 Method (_PS3, 0, Serialized)