diff --git a/migram.m b/migram.m
index 8531c25d992c62032189a82e065f6676097d4019..66264923b278ba52b2ff0a7e72d56adec61e5660 100644
--- a/migram.m
+++ b/migram.m
@@ -135,7 +135,6 @@ end
 
 % 0:MAXLAG
 [Xi dummy] = buffer(X(:,end),window,noverlap,'nodelay');
-Xi = normalize(Xi);
 if exist('accumarray','builtin') == 5
     for i = 2:size(Y,2), if verbose, waitbar(cnt/(2*size(X,2))), end
         [Yi dummy] = buffer(Y(:,i),window,noverlap,'nodelay');