Index: /trunk/psModules/src/imcombine/pmSubtractionAnalysis.c
===================================================================
--- /trunk/psModules/src/imcombine/pmSubtractionAnalysis.c	(revision 25043)
+++ /trunk/psModules/src/imcombine/pmSubtractionAnalysis.c	(revision 25044)
@@ -129,42 +129,4 @@
 
 
-    // Set the variance factors
-    float vf1 = 1.0, vf2 = 1.0;         // Variance factors for each image
-    switch (kernels->mode) {
-      case PM_SUBTRACTION_MODE_1:
-        vf1 = pmSubtractionVarianceFactor(kernels, 0.5, 0.5, false);
-        break;
-      case PM_SUBTRACTION_MODE_2:
-        vf2 = pmSubtractionVarianceFactor(kernels, 0.5, 0.5, false);
-        break;
-      case PM_SUBTRACTION_MODE_DUAL:
-        vf1 = pmSubtractionVarianceFactor(kernels, 0.5, 0.5, false);
-        vf2 = pmSubtractionVarianceFactor(kernels, 0.5, 0.5, true);
-        break;
-      default:
-        psAbort("Invalid subtraction mode: %x", kernels->mode);
-    }
-
-    // Weight by the area
-    if (region) {
-        float norm = (region->x1 - region->x0 + 1) * (region->y1 - region->y0 + 1) / (numCols * numRows);
-        vf1 *= norm;
-        vf2 *= norm;
-    }
-
-    // Update the variance factor
-#define UPDATE_VARFACTOR(VF, ANALYSIS) { \
-    psMetadataItem *vfItem = psMetadataLookup(analysis, ANALYSIS); \
-    if (vfItem) { \
-        psAssert(vfItem->type == PS_TYPE_F32, "Should be the type we said."); \
-        vfItem->data.F32 += VF; \
-    } else { \
-        psMetadataAddF32(analysis, PS_LIST_TAIL, ANALYSIS, 0, "Variance factor weighted by the area", VF); \
-    } \
-}
-
-    UPDATE_VARFACTOR(vf1, PM_SUBTRACTION_ANALYSIS_VARFACTOR_1);
-    UPDATE_VARFACTOR(vf2, PM_SUBTRACTION_ANALYSIS_VARFACTOR_2);
-
     // Kernel shape
     {