diff --git a/src/acpi/gnvs.c b/src/acpi/gnvs.c
index 27b4b8e82d..10a77d39de 100644
--- a/src/acpi/gnvs.c
+++ b/src/acpi/gnvs.c
@@ -68,16 +68,6 @@ void *gnvs_get_or_create(void)
 	return gnvs;
 }
 
-void acpi_inject_nvsa(void)
-{
-	if (!gnvs)
-		return;
-
-	acpigen_write_scope("\\");
-	acpigen_write_name_dword("NVSA", (uintptr_t)gnvs);
-	acpigen_pop_len();
-}
-
 void acpi_fill_gnvs(void)
 {
 	if (!gnvs)
@@ -85,4 +75,8 @@ void acpi_fill_gnvs(void)
 
 	soc_fill_gnvs(gnvs);
 	mainboard_fill_gnvs(gnvs);
+
+	acpigen_write_scope("\\");
+	acpigen_write_name_dword("NVSA", (uintptr_t)gnvs);
+	acpigen_pop_len();
 }
diff --git a/src/include/acpi/acpi_gnvs.h b/src/include/acpi/acpi_gnvs.h
index 9a97c25b09..b35874d4e9 100644
--- a/src/include/acpi/acpi_gnvs.h
+++ b/src/include/acpi/acpi_gnvs.h
@@ -7,7 +7,6 @@
 
 void *acpi_get_gnvs(void);
 void *gnvs_get_or_create(void);
-void acpi_inject_nvsa(void);
 
 void gnvs_assign_chromeos(void);
 void gnvs_set_ecfw_rw(void);
@@ -18,13 +17,6 @@ size_t gnvs_size_of_array(void);
 uint32_t *gnvs_cbmc_ptr(struct global_nvs *gnvs);
 void *gnvs_chromeos_ptr(struct global_nvs *gnvs);
 
-/*
- * Creates acpi gnvs and adds it to the DSDT table.
- * GNVS creation is chipset specific and is done in soc specific acpi.c file.
- */
-struct device;
-void southbridge_inject_dsdt(const struct device *device);
-
 /*
  * These functions populate the gnvs structure in acpi table.
  * Defined as weak in common acpi as gnvs structure definition is
diff --git a/src/soc/amd/common/block/lpc/lpc.c b/src/soc/amd/common/block/lpc/lpc.c
index 96fb1768ad..b97686c82c 100644
--- a/src/soc/amd/common/block/lpc/lpc.c
+++ b/src/soc/amd/common/block/lpc/lpc.c
@@ -323,7 +323,6 @@ static struct device_operations lpc_ops = {
 	.read_resources = lpc_read_resources,
 	.set_resources = lpc_set_resources,
 	.enable_resources = lpc_enable_resources,
-	.acpi_inject_dsdt = southbridge_inject_dsdt,
 	.write_acpi_tables = southbridge_write_acpi_tables,
 	.init = lpc_init,
 	.scan_bus = scan_static_bus,
diff --git a/src/soc/amd/picasso/acpi.c b/src/soc/amd/picasso/acpi.c
index 71087225f7..ed2be4845c 100644
--- a/src/soc/amd/picasso/acpi.c
+++ b/src/soc/amd/picasso/acpi.c
@@ -403,11 +403,6 @@ void soc_fill_gnvs(struct global_nvs *gnvs)
 	gnvs->pcnt = dev_count_cpu();
 }
 
-void southbridge_inject_dsdt(const struct device *device)
-{
-	acpi_inject_nvsa();
-}
-
 static int acpigen_soc_gpio_op(const char *op, unsigned int gpio_num)
 {
 	if (gpio_num >= SOC_GPIO_TOTAL_PINS) {
diff --git a/src/soc/amd/stoneyridge/acpi.c b/src/soc/amd/stoneyridge/acpi.c
index 03acf86959..19add66f87 100644
--- a/src/soc/amd/stoneyridge/acpi.c
+++ b/src/soc/amd/stoneyridge/acpi.c
@@ -171,11 +171,6 @@ void soc_fill_gnvs(struct global_nvs *gnvs)
 	gnvs->pcnt = dev_count_cpu();
 }
 
-void southbridge_inject_dsdt(const struct device *device)
-{
-	acpi_inject_nvsa();
-}
-
 static void acpigen_soc_get_gpio_in_local5(uintptr_t addr)
 {
 	/*
diff --git a/src/soc/intel/baytrail/southcluster.c b/src/soc/intel/baytrail/southcluster.c
index 16e4ea472f..51b8e09d57 100644
--- a/src/soc/intel/baytrail/southcluster.c
+++ b/src/soc/intel/baytrail/southcluster.c
@@ -482,15 +482,9 @@ void southcluster_enable_dev(struct device *dev)
 	}
 }
 
-static void southcluster_inject_dsdt(const struct device *device)
-{
-	acpi_inject_nvsa();
-}
-
 static struct device_operations device_ops = {
 	.read_resources		= sc_read_resources,
 	.set_resources		= pci_dev_set_resources,
-	.acpi_inject_dsdt	= southcluster_inject_dsdt,
 	.write_acpi_tables	= acpi_write_hpet,
 	.init			= sc_init,
 	.enable			= southcluster_enable_dev,
diff --git a/src/soc/intel/braswell/acpi.c b/src/soc/intel/braswell/acpi.c
index 1849d7ddd7..b6a361529a 100644
--- a/src/soc/intel/braswell/acpi.c
+++ b/src/soc/intel/braswell/acpi.c
@@ -364,11 +364,6 @@ unsigned long southcluster_write_acpi_tables(const struct device *device, unsign
 	return current;
 }
 
-void southcluster_inject_dsdt(const struct device *device)
-{
-	acpi_inject_nvsa();
-}
-
 __weak void acpi_create_serialio_ssdt(acpi_header_t *ssdt)
 {
 }
diff --git a/src/soc/intel/braswell/include/soc/acpi.h b/src/soc/intel/braswell/include/soc/acpi.h
index abc6646e9d..461913dda3 100644
--- a/src/soc/intel/braswell/include/soc/acpi.h
+++ b/src/soc/intel/braswell/include/soc/acpi.h
@@ -8,7 +8,6 @@
 int acpi_sci_irq(void);
 void acpi_create_serialio_ssdt(acpi_header_t *ssdt);
 unsigned long acpi_madt_irq_overrides(unsigned long current);
-void southcluster_inject_dsdt(const struct device *device);
 unsigned long southcluster_write_acpi_tables(const struct device *device,
 	unsigned long current, struct acpi_rsdp *rsdp);
 
diff --git a/src/soc/intel/braswell/southcluster.c b/src/soc/intel/braswell/southcluster.c
index e4b6295417..25868640a4 100644
--- a/src/soc/intel/braswell/southcluster.c
+++ b/src/soc/intel/braswell/southcluster.c
@@ -531,7 +531,6 @@ void southcluster_enable_dev(struct device *dev)
 static struct device_operations device_ops = {
 	.read_resources			= sc_read_resources,
 	.set_resources			= pci_dev_set_resources,
-	.acpi_inject_dsdt		= southcluster_inject_dsdt,
 	.write_acpi_tables		= southcluster_write_acpi_tables,
 	.init				= sc_init,
 	.enable				= southcluster_enable_dev,
diff --git a/src/soc/intel/broadwell/pch/lpc.c b/src/soc/intel/broadwell/pch/lpc.c
index 1fac25e886..69f2741465 100644
--- a/src/soc/intel/broadwell/pch/lpc.c
+++ b/src/soc/intel/broadwell/pch/lpc.c
@@ -609,11 +609,6 @@ void soc_fill_gnvs(struct global_nvs *gnvs)
 	gnvs->pcnt = dev_count_cpu();
 }
 
-static void southcluster_inject_dsdt(const struct device *device)
-{
-	acpi_inject_nvsa();
-}
-
 static unsigned long broadwell_write_acpi_tables(const struct device *device,
 						 unsigned long current,
 						 struct acpi_rsdp *rsdp)
@@ -630,7 +625,6 @@ static struct device_operations device_ops = {
 	.read_resources		= &pch_lpc_read_resources,
 	.set_resources		= &pci_dev_set_resources,
 	.enable_resources	= &pci_dev_enable_resources,
-	.acpi_inject_dsdt	= southcluster_inject_dsdt,
 	.write_acpi_tables      = broadwell_write_acpi_tables,
 	.init			= &lpc_init,
 	.scan_bus		= &scan_static_bus,
diff --git a/src/soc/intel/common/block/acpi/acpi.c b/src/soc/intel/common/block/acpi/acpi.c
index 1c31cd196d..65e5f44685 100644
--- a/src/soc/intel/common/block/acpi/acpi.c
+++ b/src/soc/intel/common/block/acpi/acpi.c
@@ -236,11 +236,6 @@ static int acpi_fill_wake(uint32_t *pm1, uint32_t **gpe0)
 }
 #endif
 
-void southbridge_inject_dsdt(const struct device *device)
-{
-	acpi_inject_nvsa();
-}
-
 int common_calculate_power_ratio(int tdp, int p1_ratio, int ratio)
 {
 	u32 m;
diff --git a/src/soc/intel/common/block/lpc/lpc.c b/src/soc/intel/common/block/lpc/lpc.c
index 9eaf3c3c8a..e754237ffa 100644
--- a/src/soc/intel/common/block/lpc/lpc.c
+++ b/src/soc/intel/common/block/lpc/lpc.c
@@ -107,7 +107,6 @@ static struct device_operations device_ops = {
 	.enable_resources	= pci_dev_enable_resources,
 #if CONFIG(HAVE_ACPI_TABLES)
 	.write_acpi_tables	= southbridge_write_acpi_tables,
-	.acpi_inject_dsdt	= southbridge_inject_dsdt,
 	.acpi_name		= lpc_acpi_name,
 #endif
 	.init			= lpc_soc_init,
diff --git a/src/soc/intel/denverton_ns/acpi.c b/src/soc/intel/denverton_ns/acpi.c
index 794dae90d4..9618f1f71e 100644
--- a/src/soc/intel/denverton_ns/acpi.c
+++ b/src/soc/intel/denverton_ns/acpi.c
@@ -241,11 +241,6 @@ unsigned long southcluster_write_acpi_tables(const struct device *device,
 	return current;
 }
 
-void southcluster_inject_dsdt(const struct device *device)
-{
-	acpi_inject_nvsa();
-}
-
 __weak void acpi_create_serialio_ssdt(acpi_header_t *ssdt) {}
 
 static unsigned long acpi_fill_dmar(unsigned long current)
diff --git a/src/soc/intel/denverton_ns/include/soc/acpi.h b/src/soc/intel/denverton_ns/include/soc/acpi.h
index f9b3a23c90..41a60d0867 100644
--- a/src/soc/intel/denverton_ns/include/soc/acpi.h
+++ b/src/soc/intel/denverton_ns/include/soc/acpi.h
@@ -10,7 +10,6 @@ unsigned long acpi_madt_irq_overrides(unsigned long current);
 unsigned long southcluster_write_acpi_tables(const struct device *device,
 					     unsigned long current,
 					     struct acpi_rsdp *rsdp);
-void southcluster_inject_dsdt(const struct device *device);
 unsigned long systemagent_write_acpi_tables(const struct device *dev,
 					    unsigned long start,
 					    struct acpi_rsdp *const rsdp);
diff --git a/src/soc/intel/denverton_ns/lpc.c b/src/soc/intel/denverton_ns/lpc.c
index e40d248491..d4e3112076 100644
--- a/src/soc/intel/denverton_ns/lpc.c
+++ b/src/soc/intel/denverton_ns/lpc.c
@@ -536,7 +536,6 @@ static struct device_operations device_ops = {
 	.read_resources = lpc_read_resources,
 	.set_resources = pci_dev_set_resources,
 #if CONFIG(HAVE_ACPI_TABLES)
-	.acpi_inject_dsdt = southcluster_inject_dsdt,
 	.write_acpi_tables = southcluster_write_acpi_tables,
 #endif
 	.enable_resources = lpc_enable_resources,
diff --git a/src/soc/intel/skylake/acpi.c b/src/soc/intel/skylake/acpi.c
index 07d7601d7b..fcee9cd2b7 100644
--- a/src/soc/intel/skylake/acpi.c
+++ b/src/soc/intel/skylake/acpi.c
@@ -522,11 +522,6 @@ unsigned long southbridge_write_acpi_tables(const struct device *device,
 	return acpi_align_current(current);
 }
 
-void southbridge_inject_dsdt(const struct device *device)
-{
-	acpi_inject_nvsa();
-}
-
 /* Save wake source information for calculating ACPI _SWS values */
 int soc_fill_acpi_wake(uint32_t *pm1, uint32_t **gpe0)
 {
diff --git a/src/southbridge/intel/bd82x6x/lpc.c b/src/southbridge/intel/bd82x6x/lpc.c
index bcdc75b083..73946d29bc 100644
--- a/src/southbridge/intel/bd82x6x/lpc.c
+++ b/src/southbridge/intel/bd82x6x/lpc.c
@@ -658,11 +658,6 @@ void soc_fill_gnvs(struct global_nvs *gnvs)
 	gnvs->pcnt = dev_count_cpu();
 }
 
-void southbridge_inject_dsdt(const struct device *dev)
-{
-	acpi_inject_nvsa();
-}
-
 static const char *lpc_acpi_name(const struct device *dev)
 {
 	return "LPCB";
@@ -710,7 +705,6 @@ static struct device_operations device_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.write_acpi_tables      = acpi_write_hpet,
-	.acpi_inject_dsdt	= southbridge_inject_dsdt,
 	.acpi_fill_ssdt		= southbridge_fill_ssdt,
 	.acpi_name		= lpc_acpi_name,
 	.init			= lpc_init,
diff --git a/src/southbridge/intel/i82801gx/lpc.c b/src/southbridge/intel/i82801gx/lpc.c
index f07497c0bc..712624c619 100644
--- a/src/southbridge/intel/i82801gx/lpc.c
+++ b/src/southbridge/intel/i82801gx/lpc.c
@@ -489,11 +489,6 @@ void soc_fill_gnvs(struct global_nvs *gnvs)
 	gnvs->mpen = 1; /* Enable Multi Processing */
 }
 
-void southbridge_inject_dsdt(const struct device *dev)
-{
-	acpi_inject_nvsa();
-}
-
 static const char *lpc_acpi_name(const struct device *dev)
 {
 	return "LPCB";
@@ -508,7 +503,6 @@ static struct device_operations device_ops = {
 	.read_resources		= i82801gx_lpc_read_resources,
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
-	.acpi_inject_dsdt	= southbridge_inject_dsdt,
 	.write_acpi_tables      = acpi_write_hpet,
 	.acpi_fill_ssdt		= southbridge_fill_ssdt,
 	.acpi_name		= lpc_acpi_name,
diff --git a/src/southbridge/intel/i82801ix/lpc.c b/src/southbridge/intel/i82801ix/lpc.c
index fbe4af741d..0b58e67425 100644
--- a/src/southbridge/intel/i82801ix/lpc.c
+++ b/src/southbridge/intel/i82801ix/lpc.c
@@ -463,11 +463,6 @@ void *gnvs_chromeos_ptr(struct global_nvs *gnvs)
 	return 0;
 }
 
-void southbridge_inject_dsdt(const struct device *dev)
-{
-	acpi_inject_nvsa();
-}
-
 static const char *lpc_acpi_name(const struct device *dev)
 {
 	return "LPCB";
@@ -486,7 +481,6 @@ static struct device_operations device_ops = {
 	.read_resources		= i82801ix_lpc_read_resources,
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
-	.acpi_inject_dsdt	= southbridge_inject_dsdt,
 	.write_acpi_tables      = acpi_write_hpet,
 	.acpi_fill_ssdt		= southbridge_fill_ssdt,
 	.acpi_name		= lpc_acpi_name,
diff --git a/src/southbridge/intel/i82801jx/lpc.c b/src/southbridge/intel/i82801jx/lpc.c
index 6c1c318237..26ba5d21e2 100644
--- a/src/southbridge/intel/i82801jx/lpc.c
+++ b/src/southbridge/intel/i82801jx/lpc.c
@@ -481,11 +481,6 @@ size_t gnvs_size_of_array(void)
 	return sizeof(struct global_nvs);
 }
 
-void southbridge_inject_dsdt(const struct device *dev)
-{
-	acpi_inject_nvsa();
-}
-
 static const char *lpc_acpi_name(const struct device *dev)
 {
 	return "LPCB";
@@ -504,7 +499,6 @@ static struct device_operations device_ops = {
 	.read_resources		= i82801jx_lpc_read_resources,
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
-	.acpi_inject_dsdt	= southbridge_inject_dsdt,
 	.write_acpi_tables      = acpi_write_hpet,
 	.acpi_fill_ssdt		= southbridge_fill_ssdt,
 	.acpi_name		= lpc_acpi_name,
diff --git a/src/southbridge/intel/ibexpeak/lpc.c b/src/southbridge/intel/ibexpeak/lpc.c
index 4db22f04f7..2a612ba517 100644
--- a/src/southbridge/intel/ibexpeak/lpc.c
+++ b/src/southbridge/intel/ibexpeak/lpc.c
@@ -553,11 +553,6 @@ void soc_fill_gnvs(struct global_nvs *gnvs)
 	gnvs->pcnt = dev_count_cpu();
 }
 
-void southbridge_inject_dsdt(const struct device *dev)
-{
-	acpi_inject_nvsa();
-}
-
 static const char *lpc_acpi_name(const struct device *dev)
 {
 	return "LPCB";
@@ -587,7 +582,6 @@ static struct device_operations device_ops = {
 	.read_resources		= pch_lpc_read_resources,
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
-	.acpi_inject_dsdt	= southbridge_inject_dsdt,
 	.acpi_fill_ssdt		= southbridge_fill_ssdt,
 	.acpi_name		= lpc_acpi_name,
 	.write_acpi_tables	= acpi_write_hpet,
diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c
index a17dfa4d56..a561f55776 100644
--- a/src/southbridge/intel/lynxpoint/lpc.c
+++ b/src/southbridge/intel/lynxpoint/lpc.c
@@ -701,11 +701,6 @@ void soc_fill_gnvs(struct global_nvs *gnvs)
 	gnvs->pcnt = dev_count_cpu();
 }
 
-void southbridge_inject_dsdt(const struct device *dev)
-{
-	acpi_inject_nvsa();
-}
-
 static const char *lpc_acpi_name(const struct device *dev)
 {
 	return "LPCB";
@@ -759,7 +754,6 @@ static struct device_operations device_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.acpi_fill_ssdt		= southbridge_fill_ssdt,
-	.acpi_inject_dsdt	= southbridge_inject_dsdt,
 	.acpi_name		= lpc_acpi_name,
 	.write_acpi_tables      = southbridge_write_acpi_tables,
 	.init			= lpc_init,