diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c
index eaf926ca7c..89cf9e7c01 100644
--- a/src/southbridge/intel/lynxpoint/lpc.c
+++ b/src/southbridge/intel/lynxpoint/lpc.c
@@ -255,12 +255,6 @@ static void pch_power_options(device_t dev)
 	reg16 = pci_read_config16(dev, GEN_PMCON_1);
 	reg16 &= ~(3 << 0);	// SMI# rate 1 minute
 	reg16 &= ~(1 << 10);	// Disable BIOS_PCI_EXP_EN for native PME
-#if DEBUG_PERIODIC_SMIS
-	/* Set DEBUG_PERIODIC_SMIS in pch.h to debug using
-	 * periodic SMIs.
-	 */
-	reg16 |= (3 << 0); // Periodic SMI every 8s
-#endif
 	pci_write_config16(dev, GEN_PMCON_1, reg16);
 
 	// Set the board's GPI routing.
diff --git a/src/southbridge/intel/lynxpoint/pch.h b/src/southbridge/intel/lynxpoint/pch.h
index 0f20a83d40..f2953d24c5 100644
--- a/src/southbridge/intel/lynxpoint/pch.h
+++ b/src/southbridge/intel/lynxpoint/pch.h
@@ -79,7 +79,6 @@
 #define DEFAULT_RCBA		0xfed1c000
 
 #ifndef __ACPI__
-#define DEBUG_PERIODIC_SMIS 0
 
 #if defined (__SMM__) && !defined(__ASSEMBLER__)
 void intel_pch_finalize_smm(void);
diff --git a/src/southbridge/intel/lynxpoint/smi.c b/src/southbridge/intel/lynxpoint/smi.c
index 80dea2ce5b..a3354b8409 100644
--- a/src/southbridge/intel/lynxpoint/smi.c
+++ b/src/southbridge/intel/lynxpoint/smi.c
@@ -281,12 +281,6 @@ void southbridge_smm_init(void)
 #endif
 	smi_en |= TCO_EN;
 	smi_en |= APMC_EN;
-#if DEBUG_PERIODIC_SMIS
-	/* Set DEBUG_PERIODIC_SMIS in pch.h to debug using
-	 * periodic SMIs.
-	 */
-	smi_en |= PERIODIC_EN;
-#endif
 	smi_en |= SLP_SMI_EN;
 #if 0
 	smi_en |= BIOS_EN;