diff --git a/rtengine/lcp.cc b/rtengine/lcp.cc
index ff53ad30e..310361a72 100644
--- a/rtengine/lcp.cc
+++ b/rtengine/lcp.cc
@@ -265,17 +265,6 @@ void LCPMapper::correctCA(double& x, double& y, int channel) const
     }
 }
 
-float LCPMapper::calcVignetteFac(int x, int y) const
-{
-    // No need for swapXY, since vignette is in RAW and always before rotation
-    float xd = ((float)x - mc.x0) * mc.rfx, yd = ((float)y - mc.y0) * mc.rfy;
-
-    const LCPModelCommon::VignParam vignParam = mc.vign_param;
-    float rsqr = xd * xd + yd * yd;
-
-    return rsqr * (vignParam[0] + rsqr * ((vignParam[1]) - (vignParam[2]) * rsqr + (vignParam[3]) * rsqr * rsqr));
-}
-
 SSEFUNCTION void LCPMapper::processVignetteLine(int width, int y, float *line) const
 {
     // No need for swapXY, since vignette is in RAW and always before rotation
diff --git a/rtengine/lcp.h b/rtengine/lcp.h
index 92c984921..fa8cf226d 100644
--- a/rtengine/lcp.h
+++ b/rtengine/lcp.h
@@ -146,9 +146,8 @@ public:
     LCPMapper(LCPProfile* pProf, float focalLength, float focalLength35mm, float focusDist, float aperture, bool vignette, bool useCADistP, int fullWidth, int fullHeight,
               const CoarseTransformParams& coarse, int rawRotationDeg);
 
-    void  correctDistortion(double& x, double& y) const;  // MUST be the first stage
-    void  correctCA(double& x, double& y, int channel) const;
-    float calcVignetteFac  (int x, int y) const;  // MUST be in RAW
+    void correctDistortion(double& x, double& y) const;  // MUST be the first stage
+    void correctCA(double& x, double& y, int channel) const;
     void processVignetteLine(int width, int y, float *line) const;
     void processVignetteLine3Channels(int width, int y, float *line) const;
 };
diff --git a/rtengine/rawimagesource.cc b/rtengine/rawimagesource.cc
index 995e3d9bd..9678fcaf5 100644
--- a/rtengine/rawimagesource.cc
+++ b/rtengine/rawimagesource.cc
@@ -1767,7 +1767,6 @@ void RawImageSource::preprocess  (const RAWParams &raw, const LensProfParams &le
         LCPProfile *pLCPProf = lcpStore->getProfile(lensProf.lcpFile);
 
         if (pLCPProf) { // don't check focal length to allow distortion correction for lenses without chip, also pass dummy focal length 1 in case of 0
-            StopWatch Stop1("lcp vignette correction");
             LCPMapper map(pLCPProf, max(idata->getFocalLen(), 1.0), idata->getFocalLen35mm(), idata->getFocusDist(), idata->getFNumber(), true, false, W, H, coarse, -1);
 
             if (ri->getSensorType() == ST_BAYER || ri->getSensorType() == ST_FUJI_XTRANS || ri->get_colors() == 1) {