diff --git a/CHANGELOG.md b/CHANGELOG.md
index f65bacf..2008dd9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ All notable changes to Kite will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
-## Unreleased
+## [1.4.0] 27. April 2020
 
 ### Added
 - Import of SNAP products
diff --git a/src/covariance.py b/src/covariance.py
index 575e206..5a2791f 100644
--- a/src/covariance.py
+++ b/src/covariance.py
@@ -773,7 +773,6 @@ def _powerspecNoise(self, data=None, norm='1d', ndeg=512, nk=512):
         # noise = squareMatrix(noise)
         shift = num.fft.fftshift
 
-        noise -= noise.mean()
         spectrum = shift(num.fft.fft2(noise, axes=(0, 1), norm=None))
         power_spec = (num.abs(spectrum)/spectrum.size)**2