diff --git a/src/pcm/plugin/interleave.c b/src/pcm/plugin/interleave.c
index 24dbae47..68645411 100644
--- a/src/pcm/plugin/interleave.c
+++ b/src/pcm/plugin/interleave.c
@@ -243,7 +243,3 @@ int snd_pcm_plugin_build_interleave(snd_pcm_format_t *src_format,
 	*r_plugin = plugin;
 	return 0;
 }
-
-#ifdef __KERNEL__
-EXPORT_SYMBOL(snd_pcm_plugin_build_interleave);
-#endif
diff --git a/src/pcm/plugin/linear.c b/src/pcm/plugin/linear.c
index 1ced5e3c..d0c8fd42 100644
--- a/src/pcm/plugin/linear.c
+++ b/src/pcm/plugin/linear.c
@@ -446,7 +446,3 @@ int snd_pcm_plugin_build_linear(snd_pcm_format_t *src_format,
 	*r_plugin = plugin;
 	return 0;
 }
-
-#ifdef __KERNEL__
-EXPORT_SYMBOL(snd_pcm_plugin_build_linear);
-#endif
diff --git a/src/pcm/plugin/mulaw.c b/src/pcm/plugin/mulaw.c
index b5b40b80..337c1787 100644
--- a/src/pcm/plugin/mulaw.c
+++ b/src/pcm/plugin/mulaw.c
@@ -487,7 +487,3 @@ int snd_pcm_plugin_build_mulaw(snd_pcm_format_t *src_format,
 	*r_plugin = plugin;
 	return 0;
 }
-
-#ifdef __KERNEL__
-EXPORT_SYMBOL(snd_pcm_plugin_build_mulaw);
-#endif
diff --git a/src/pcm/plugin/rate.c b/src/pcm/plugin/rate.c
index 5842d336..edd2f6f3 100644
--- a/src/pcm/plugin/rate.c
+++ b/src/pcm/plugin/rate.c
@@ -416,7 +416,3 @@ int snd_pcm_plugin_build_rate(snd_pcm_format_t *src_format,
 	*r_plugin = plugin;
 	return 0;
 }
-
-#ifdef __KERNEL__
-EXPORT_SYMBOL(snd_pcm_plugin_build_rate);
-#endif
diff --git a/src/pcm/plugin/voices.c b/src/pcm/plugin/voices.c
index 7997600e..5060610d 100644
--- a/src/pcm/plugin/voices.c
+++ b/src/pcm/plugin/voices.c
@@ -208,7 +208,3 @@ int snd_pcm_plugin_build_voices(snd_pcm_format_t *src_format,
 	*r_plugin = plugin;
 	return 0;
 }
-
-#ifdef __KERNEL__
-EXPORT_SYMBOL(snd_pcm_plugin_build_voices);
-#endif