diff --git a/sound/soc/sof/core.c b/sound/soc/sof/core.c
index a2afec8f5879..425b023b03b4 100644
--- a/sound/soc/sof/core.c
+++ b/sound/soc/sof/core.c
@@ -144,6 +144,28 @@ void sof_set_fw_state(struct snd_sof_dev *sdev, enum sof_fw_state new_state)
 }
 EXPORT_SYMBOL(sof_set_fw_state);
 
+static struct snd_sof_of_mach *sof_of_machine_select(struct snd_sof_dev *sdev)
+{
+	struct snd_sof_pdata *sof_pdata = sdev->pdata;
+	const struct sof_dev_desc *desc = sof_pdata->desc;
+	struct snd_sof_of_mach *mach = desc->of_machines;
+
+	if (!mach)
+		return NULL;
+
+	for (; mach->compatible; mach++) {
+		if (of_machine_is_compatible(mach->compatible)) {
+			sof_pdata->tplg_filename = mach->sof_tplg_filename;
+			if (mach->fw_filename)
+				sof_pdata->fw_filename = mach->fw_filename;
+
+			return mach;
+		}
+	}
+
+	return NULL;
+}
+
 /* SOF Driver enumeration */
 static int sof_machine_check(struct snd_sof_dev *sdev)
 {
diff --git a/sound/soc/sof/sof-of-dev.c b/sound/soc/sof/sof-of-dev.c
index b12e810636c2..54715b7e059b 100644
--- a/sound/soc/sof/sof-of-dev.c
+++ b/sound/soc/sof/sof-of-dev.c
@@ -41,29 +41,6 @@ static void sof_of_probe_complete(struct device *dev)
 	pm_runtime_enable(dev);
 }
 
-struct snd_sof_of_mach *sof_of_machine_select(struct snd_sof_dev *sdev)
-{
-	struct snd_sof_pdata *sof_pdata = sdev->pdata;
-	const struct sof_dev_desc *desc = sof_pdata->desc;
-	struct snd_sof_of_mach *mach = desc->of_machines;
-
-	if (!mach)
-		return NULL;
-
-	for (; mach->compatible; mach++) {
-		if (of_machine_is_compatible(mach->compatible)) {
-			sof_pdata->tplg_filename = mach->sof_tplg_filename;
-			if (mach->fw_filename)
-				sof_pdata->fw_filename = mach->fw_filename;
-
-			return mach;
-		}
-	}
-
-	return NULL;
-}
-EXPORT_SYMBOL(sof_of_machine_select);
-
 int sof_of_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
diff --git a/sound/soc/sof/sof-of-dev.h b/sound/soc/sof/sof-of-dev.h
index 879ca4edb427..2948b3a0d9fe 100644
--- a/sound/soc/sof/sof-of-dev.h
+++ b/sound/soc/sof/sof-of-dev.h
@@ -16,15 +16,6 @@ struct snd_sof_of_mach {
 	const char *sof_tplg_filename;
 };
 
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_OF_DEV)
-struct snd_sof_of_mach *sof_of_machine_select(struct snd_sof_dev *sdev);
-#else
-static inline struct snd_sof_of_mach *sof_of_machine_select(struct snd_sof_dev *sdev)
-{
-	return NULL;
-}
-#endif
-
 extern const struct dev_pm_ops sof_of_pm;
 
 int sof_of_probe(struct platform_device *pdev);