diff --git a/src/mixer/plugins/AlsaMixerPlugin.cxx b/src/mixer/plugins/AlsaMixerPlugin.cxx
index 0016a4598..cce432492 100644
--- a/src/mixer/plugins/AlsaMixerPlugin.cxx
+++ b/src/mixer/plugins/AlsaMixerPlugin.cxx
@@ -273,7 +273,7 @@ AlsaMixer::GetVolume()
 		throw FormatRuntimeError("snd_mixer_handle_events() failed: %s",
 					 snd_strerror(err));
 
-	return lrint(100 * get_normalized_playback_volume(elem, SND_MIXER_SCHN_FRONT_LEFT));
+	return lround(100 * get_normalized_playback_volume(elem, SND_MIXER_SCHN_FRONT_LEFT));
 }
 
 void
@@ -282,7 +282,7 @@ AlsaMixer::SetVolume(unsigned volume)
 	assert(handle != nullptr);
 
 	double cur = get_normalized_playback_volume(elem, SND_MIXER_SCHN_FRONT_LEFT);
-	int delta = volume - lrint(100.*cur);
+	int delta = volume - lround(100.*cur);
 	int err = set_normalized_playback_volume(elem, cur + 0.01*delta, delta);
 	if (err < 0)
 		throw FormatRuntimeError("failed to set ALSA volume: %s",
diff --git a/src/util/Math.hxx b/src/util/Math.hxx
index e590f85c8..bd856f5a9 100644
--- a/src/util/Math.hxx
+++ b/src/util/Math.hxx
@@ -32,12 +32,9 @@
 
 #ifdef __UCLIBC__
 #include <boost/math/special_functions/round.hpp>
-using boost::math::iround;
 using boost::math::lround;
-#define lrint iround
 #else
 #include <cmath>
-using std::lrint;
 using std::lround;
 #endif