diff --git a/test/AnnualTable.m b/test/AnnualTable.m
index e300ec7c4aa76ead4a691cc8dd20f69430201136..92a276ac99a0ef575d3e5e44b6a17f9ed3ffe3ff 100644
--- a/test/AnnualTable.m
+++ b/test/AnnualTable.m
@@ -23,10 +23,10 @@ longNames  = {'Coca Cola', 'Kinder Bueno', 'Pizza', ...
 rep.addSeries('tableSubSectionHeader', 'A group', ...
     'tableRowColor', 'red!22');
 for i = 1:length(shortNames)
-    db_a = db_a.tex_rename_([seriesRootName shortNames{i}], longNames{i});
+    db_a.tex_rename_([seriesRootName shortNames{i}], longNames{i});
     rep.addSeries('data', db_a{[seriesRootName shortNames{i}]});
     delta = dc_a{[seriesRootName shortNames{i}]}-db_a{[seriesRootName shortNames{i}]};
-    delta = delta.tex_rename_('$\Delta$');
+    delta.tex_rename_('$\Delta$');
     rep.addSeries('data', delta, ...
         'tableShowMarkers', true, ...
         'tableAlignRight', true);
diff --git a/test/CommResidTablePage.m b/test/CommResidTablePage.m
index 30edeeffba56981321a508a304d46d69f9e7f186..26da0301f1d970d99d9506f9bc42f598895513f2 100644
--- a/test/CommResidTablePage.m
+++ b/test/CommResidTablePage.m
@@ -30,7 +30,7 @@ rep.addTable('title', 'Commodities', ...
 for i = 1:length(seriesNames)
     rep.addSeries('data', db_q{seriesNames{i}{1}});
     delta = db_q{seriesNames{i}{1}} - dc_q{seriesNames{i}{1}};
-    delta = delta.tex_rename_('$\Delta$');
+    delta.tex_rename_('$\Delta$');
     rep.addSeries('data', delta, ...
         'tableShowMarkers', true, ...
         'tableAlignRight', true);
diff --git a/test/CountryTablePage.m b/test/CountryTablePage.m
index 7e3208850ec7004e59828eb787827f44d653d876..62073b1beebea5394e474426668d4f8b2ac90ac7 100644
--- a/test/CountryTablePage.m
+++ b/test/CountryTablePage.m
@@ -52,14 +52,14 @@ for i = 1:length(seriesNames)
             any(strcmp(seriesNames{i}{1}, notForOtherThree))
         continue
     end
-    db_q = db_q.tex_rename_([seriesNames{i}{1} countryAbbr], seriesNames{i}{2});
+    db_q.tex_rename_([seriesNames{i}{1} countryAbbr], seriesNames{i}{2});
     rep.addSeries('data', db_q{[seriesNames{i}{1} countryAbbr]}, ...
         'tableDataRhs', db_a{[seriesNames{i}{1} countryAbbr]});
     delta = db_q{[seriesNames{i}{1} countryAbbr]}-dc_q{[seriesNames{i}{1} countryAbbr]};
-    delta = delta.tex_rename_('$\Delta$');
+    delta.tex_rename_('$\Delta$');
     
     deltaa = db_a{[seriesNames{i}{1} countryAbbr]}-dc_a{[seriesNames{i}{1} countryAbbr]};
-    deltaa = deltaa.tex_rename_('$\Delta$');
+    deltaa.tex_rename_('$\Delta$');
     rep.addSeries('data', delta, ...
         'tableShowMarkers', true, ...
         'tableRowIndent', 2, ...
diff --git a/test/ResidTablePage.m b/test/ResidTablePage.m
index 124b9dc39158b0ee1525c866e62c2a0c0b943613..295e7058d1cffa23d80822aab52f5e50b4e7cf6e 100644
--- a/test/ResidTablePage.m
+++ b/test/ResidTablePage.m
@@ -57,7 +57,7 @@ for i=1:length(seriesNames)
     end
     rep.addSeries('data', db_q{[seriesNames{i}{1} countryAbbr]});
     delta = db_q{[seriesNames{i}{1} countryAbbr]}-dc_q{[seriesNames{i}{1} countryAbbr]};
-    delta = delta.tex_rename_('$\Delta$');
+    delta.tex_rename_('$\Delta$');
     rep.addSeries('data', delta, ...
         'tableShowMarkers', true, ...
         'tableAlignRight', true);
diff --git a/test/createReport.m b/test/createReport.m
index a798b90c8c5e4e3709c5b990c038bf129d9efa13..c789f2a0002ad6c52d553646e8457bddbf69eee2 100644
--- a/test/createReport.m
+++ b/test/createReport.m
@@ -108,10 +108,10 @@ rep.addVspace('number', 2);
 % Table 2
 rep.addTable('title', 'Output Gap', 'range', larange, ...
                    'vlineAfter', dates('2011y'), 'tableDirName', 'page4table2');
-db_a = db_a.tex_rename_('Y_WORLD', 'World');
+db_a.tex_rename_('Y_WORLD', 'World');
 rep.addSeries('data', db_a{'Y_WORLD'});
 delta = db_a{'Y_WORLD'}-dc_a{'Y_WORLD'};
-delta = delta.tex_rename_('$\Delta$');
+delta.tex_rename_('$\Delta$');
 rep.addSeries('data', delta, ...
                     'tableShowMarkers', true, ...
                     'tableAlignRight', true);
@@ -163,14 +163,14 @@ rep.addSeries('data', db_q{'LRPFOOD_BAR_WORLD'}, ...
                     'graphBarColor', 'red', ...
                     'graphBarFillColor', 'gray', ...
                     'graphBarWidth', 1);
-db_q = db_q.tex_rename_('LRPOIL_WORLD', 'Oil Price');
+db_q.tex_rename_('LRPOIL_WORLD', 'Oil Price');
 rep.addSeries('data', db_q{'LRPOIL_WORLD'}, ...
                     'graphLineColor', 'blue', ...
                     'graphLineWidth', 1.5, ...
                     'graphMarker', 'triangle*', ...
                     'graphMarkerEdgeColor','black', ...
                     'graphMarkerSize',4);
-db_q = db_q.tex_rename_('LRPOIL_BAR_WORLD', 'Equilibrium Oil Price');
+db_q.tex_rename_('LRPOIL_BAR_WORLD', 'Equilibrium Oil Price');
 rep.addSeries('data', db_q{'LRPOIL_BAR_WORLD'}, ...
                     'graphLineColor', 'green', ...
                     'graphLineStyle', 'solid', ...
@@ -189,11 +189,11 @@ rep.addSeries('data', db_q{'LRPFOOD_BAR_WORLD'}, ...
                     'graphBarColor', 'green', ...
                     'graphBarFillColor', 'yellow', ...
                     'graphBarWidth', 1);
-db_q = db_q.tex_rename_('LRPFOOD_WORLD', 'Food Price');
+db_q.tex_rename_('LRPFOOD_WORLD', 'Food Price');
 rep.addSeries('data', db_q{'LRPFOOD_WORLD'}, ...
                     'graphLineColor', 'blue', ...
                     'graphLineWidth', 1.5);
-db_q = db_q.tex_rename_('LRPFOOD_BAR_WORLD', 'Equilibrium Food Price');
+db_q.tex_rename_('LRPFOOD_BAR_WORLD', 'Equilibrium Food Price');
 rep.addSeries('graphVline', dates('2009q2'), ...
                     'graphLineColor', 'red', ...
                     'graphLineWidth', 1.5);