diff --git a/OvmfPkg/AcpiTables/Facp.aslc b/OvmfPkg/AcpiTables/Facp.aslc
index 45bb50768f..3f09f928b6 100644
--- a/OvmfPkg/AcpiTables/Facp.aslc
+++ b/OvmfPkg/AcpiTables/Facp.aslc
@@ -41,13 +41,13 @@ EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE FACP = {
   0,                // Power Mgt 1b Event Reg Blk unsupported
   PM1a_CNT_BLK,     // Port address of Power Mgt 1a Ctrl Reg Blk
   0,                // Power Mgt 1b Ctrl Reg Blk unsupported
-  PM2_CNT_BLK,      // Port address of Power Mgt 2  Ctrl Reg Blk
+  0,                // Power Mgt 2  Ctrl Reg Blk unsupported
   PM_TMR_BLK,       // Port address of Power Mgt Timer Ctrl Reg Blk
   GPE0_BLK,         // Port addr of General Purpose Event 0 Reg Blk
   GPE1_BLK,         // Port addr of General Purpose Event 1 Reg Blk
   PM1_EVT_LEN,      // Byte Length of ports at pm1X_evt_blk
   PM1_CNT_LEN,      // Byte Length of ports at pm1X_cnt_blk
-  PM2_CNT_LEN,      // Byte Length of ports at pm2_cnt_blk
+  0,                // Power Mgt 2 Ctrl Reg Blk unsupported
   PM_TM_LEN,        // Byte Length of ports at pm_tm_blk
   GPE0_BLK_LEN,     // Byte Length of ports at gpe0_blk
   GPE1_BLK_LEN,     // Byte Length of ports at gpe1_blk
diff --git a/OvmfPkg/AcpiTables/Platform.h b/OvmfPkg/AcpiTables/Platform.h
index 684156a475..3f0269bf08 100644
--- a/OvmfPkg/AcpiTables/Platform.h
+++ b/OvmfPkg/AcpiTables/Platform.h
@@ -36,13 +36,11 @@
 #define S4BIOS_REQ      0x00
 #define PM1a_EVT_BLK    0x0000b000
 #define PM1a_CNT_BLK    0x0000b004
-#define PM2_CNT_BLK     0x00000000
 #define PM_TMR_BLK      0x0000b008
 #define GPE0_BLK        0x0000afe0
 #define GPE1_BLK        0x00000000
 #define PM1_EVT_LEN     0x04
 #define PM1_CNT_LEN     0x02
-#define PM2_CNT_LEN     0x00
 #define PM_TM_LEN       0x04
 #define GPE0_BLK_LEN    0x04
 #define GPE1_BLK_LEN    0x00