diff --git a/src/audio/codec_adapter/codec/cadence.c b/src/audio/codec_adapter/codec/cadence.c
index 4df3ef993..860faaa9e 100644
--- a/src/audio/codec_adapter/codec/cadence.c
+++ b/src/audio/codec_adapter/codec/cadence.c
@@ -632,7 +632,6 @@ static struct module_interface cadence_interface = {
 	.init  = cadence_codec_init,
 	.prepare = cadence_codec_prepare,
 	.process = cadence_codec_process,
-	.apply_config = cadence_codec_apply_config,
 	.set_configuration = cadence_codec_set_configuration,
 	.reset = cadence_codec_reset,
 	.free = cadence_codec_free
diff --git a/src/audio/codec_adapter/codec/dts.c b/src/audio/codec_adapter/codec/dts.c
index e449917c1..a13fd3cb6 100644
--- a/src/audio/codec_adapter/codec/dts.c
+++ b/src/audio/codec_adapter/codec/dts.c
@@ -396,7 +396,6 @@ static struct module_interface dts_interface = {
 	.init  = dts_codec_init,
 	.prepare = dts_codec_prepare,
 	.process = dts_codec_process,
-	.apply_config = dts_codec_apply_config,
 	.set_configuration = dts_codec_set_configuration,
 	.reset = dts_codec_reset,
 	.free = dts_codec_free
diff --git a/src/audio/codec_adapter/codec/generic.c b/src/audio/codec_adapter/codec/generic.c
index c4f92ee50..41cb75b21 100644
--- a/src/audio/codec_adapter/codec/generic.c
+++ b/src/audio/codec_adapter/codec/generic.c
@@ -93,7 +93,7 @@ int module_init(struct processing_module *mod, struct module_interface *interfac
 	}
 
 	if (!interface->init || !interface->prepare || !interface->process ||
-	    !interface->apply_config || !interface->reset || !interface->free) {
+	    !interface->reset || !interface->free) {
 		comp_err(dev, "module_init(): comp %d is missing mandatory interfaces",
 			 dev_comp_id(dev));
 		return -EIO;
@@ -255,31 +255,6 @@ int module_process(struct comp_dev *dev)
 	return ret;
 }
 
-int module_apply_runtime_config(struct comp_dev *dev)
-{
-	int ret;
-	struct processing_module *mod = comp_get_drvdata(dev);
-	struct module_data *md = &mod->priv;
-
-	comp_dbg(dev, "module_apply_config() start");
-
-	ret = md->ops->apply_config(dev);
-	if (ret) {
-		comp_err(dev, "module_apply_config() error %d: for comp %x",
-			 ret, dev_comp_id(dev));
-		return ret;
-	}
-
-	md->cfg.avail = false;
-	/* Configuration had been applied, we can free it now. */
-	rfree(md->cfg.data);
-	md->cfg.data = NULL;
-
-	comp_dbg(dev, "module_apply_config() end");
-
-	return ret;
-}
-
 int module_reset(struct processing_module *mod)
 {
 	int ret;
diff --git a/src/audio/codec_adapter/codec/passthrough.c b/src/audio/codec_adapter/codec/passthrough.c
index db7441807..1f674426b 100644
--- a/src/audio/codec_adapter/codec/passthrough.c
+++ b/src/audio/codec_adapter/codec/passthrough.c
@@ -75,14 +75,6 @@ static int passthrough_codec_process(struct comp_dev *dev)
 	return 0;
 }
 
-static int passthrough_codec_apply_config(struct comp_dev *dev)
-{
-	comp_info(dev, "passthrough_codec_apply_config()");
-
-	/* nothing to do */
-	return 0;
-}
-
 static int passthrough_codec_reset(struct processing_module *mod)
 {
 	comp_info(mod->dev, "passthrough_codec_reset()");
@@ -108,7 +100,6 @@ static struct module_interface passthrough_interface = {
 	.init  = passthrough_codec_init,
 	.prepare = passthrough_codec_prepare,
 	.process = passthrough_codec_process,
-	.apply_config = passthrough_codec_apply_config,
 	.reset = passthrough_codec_reset,
 	.free = passthrough_codec_free
 };
diff --git a/src/audio/codec_adapter/codec/waves.c b/src/audio/codec_adapter/codec/waves.c
index b53a46027..ccaab5df3 100644
--- a/src/audio/codec_adapter/codec/waves.c
+++ b/src/audio/codec_adapter/codec/waves.c
@@ -832,7 +832,6 @@ static struct module_interface waves_interface = {
 	.init  = waves_codec_init,
 	.prepare = waves_codec_prepare,
 	.process = waves_codec_process,
-	.apply_config = waves_codec_apply_config,
 	.set_configuration = waves_codec_set_configuration,
 	.reset = waves_codec_reset,
 	.free = waves_codec_free
diff --git a/src/include/sof/audio/codec_adapter/codec/generic.h b/src/include/sof/audio/codec_adapter/codec/generic.h
index 58a8a382c..a8f30d413 100644
--- a/src/include/sof/audio/codec_adapter/codec/generic.h
+++ b/src/include/sof/audio/codec_adapter/codec/generic.h
@@ -104,12 +104,6 @@ struct module_interface {
 	 * ones back to codec_adapter.
 	 */
 	int (*process)(struct comp_dev *dev);
-	/**
-	 * Module specific apply config procedure, called by codec_adapter every time
-	 * a new RUNTIME configuration has been sent if the adapter has been
-	 * prepared. This will not be called for SETUP cfg.
-	 */
-	int (*apply_config)(struct comp_dev *dev);
 
 	/**
 	 * Set module configuration for the given configuration ID
@@ -254,7 +248,6 @@ int module_free_memory(struct processing_module *mod, void *ptr);
 void module_free_all_memory(struct processing_module *mod);
 int module_prepare(struct processing_module *mod);
 int module_process(struct comp_dev *dev);
-int module_apply_runtime_config(struct comp_dev *dev);
 int module_reset(struct processing_module *mod);
 int module_free(struct processing_module *mod);
 int module_set_configuration(struct processing_module *mod,