diff --git a/NAMESPACE b/NAMESPACE
index 940fa92..401cd37 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -20,7 +20,6 @@ export(structure_data)
 import(foreach)
 import(ggplot2)
 import(ggpubr)
-importFrom(GENEAread,g.downsample)
 importFrom(GENEAread,read.bin)
 importFrom(GGIRread,readAxivity)
 importFrom(GGIRread,resample)
diff --git a/R/autocalibration.R b/R/autocalibration.R
index e2f5af8..b5c729a 100644
--- a/R/autocalibration.R
+++ b/R/autocalibration.R
@@ -95,9 +95,7 @@ autocalibration = function(data, sr, printsummary= TRUE, brand) {
       D1 = g.downsample(Gx,sr,ws4,ws2); 	GxM2 = D1$var2
       D1 = g.downsample(Gy,sr,ws4,ws2); 	GyM2 = D1$var2
       D1 = g.downsample(Gz,sr,ws4,ws2); 	GzM2 = D1$var2
-      
-      
-      
+  
       #sd acceleration
       dim(Gx) = c(sr*ws4,ceiling(length(Gx)/(sr*ws4))); 	GxSD2 = apply(Gx,2,sd)
       dim(Gy) = c(sr*ws4,ceiling(length(Gy)/(sr*ws4))); 	GySD2 = apply(Gy,2,sd)