diff --git a/codecs/ilbc/helpfun.c b/codecs/ilbc/helpfun.c
index 1aba65788f..b79ac4f393 100644
--- a/codecs/ilbc/helpfun.c
+++ b/codecs/ilbc/helpfun.c
@@ -277,7 +277,6 @@
                               table */
    ){
        int k,n,m, Nit=2, change=0,pos;
-       float tmp;
        static float eps=(float)0.039; /* 50 Hz */
        static float eps2=(float)0.0195;
        static float maxlsf=(float)3.14; /* 4000 Hz */
@@ -293,7 +292,6 @@
                    if ((lsf[pos+1]-lsf[pos])<eps) {
 
                        if (lsf[pos+1]<lsf[pos]) {
-                           tmp=lsf[pos+1];
                            lsf[pos+1]= lsf[pos]+eps2;
                            lsf[pos]= lsf[pos+1]-eps2;
                        } else {