diff --git a/mozilla/layout/html/table/src/BasicTableLayoutStrategy.cpp b/mozilla/layout/html/table/src/BasicTableLayoutStrategy.cpp
index 5694adf0217..06f8baa2a28 100644
--- a/mozilla/layout/html/table/src/BasicTableLayoutStrategy.cpp
+++ b/mozilla/layout/html/table/src/BasicTableLayoutStrategy.cpp
@@ -323,7 +323,7 @@ BasicTableLayoutStrategy::BalanceColumnWidths(nsIPresContext*          aPresCont
   if ( (tableIsAutoWidth && (perAdjTableWidth - totalAllocated > 0)) ||
        (!tableIsAutoWidth && (totalAllocated < maxWidth)) ) {
     if (totalCounts[PCT] != numCols) {
-      PRBool onlyAllocateAutoCols = (totalCounts[DES_CON] > 0) && !mIsNavQuirksMode;
+      PRBool onlyAllocateAutoCols = (totalCounts[DES_CON] > 0);
       for (colX = 0; colX < numCols; colX++) {
         if (PCT == allocTypes[colX]) {
           allocTypes[colX] = -1;
diff --git a/mozilla/layout/tables/BasicTableLayoutStrategy.cpp b/mozilla/layout/tables/BasicTableLayoutStrategy.cpp
index 5694adf0217..06f8baa2a28 100644
--- a/mozilla/layout/tables/BasicTableLayoutStrategy.cpp
+++ b/mozilla/layout/tables/BasicTableLayoutStrategy.cpp
@@ -323,7 +323,7 @@ BasicTableLayoutStrategy::BalanceColumnWidths(nsIPresContext*          aPresCont
   if ( (tableIsAutoWidth && (perAdjTableWidth - totalAllocated > 0)) ||
        (!tableIsAutoWidth && (totalAllocated < maxWidth)) ) {
     if (totalCounts[PCT] != numCols) {
-      PRBool onlyAllocateAutoCols = (totalCounts[DES_CON] > 0) && !mIsNavQuirksMode;
+      PRBool onlyAllocateAutoCols = (totalCounts[DES_CON] > 0);
       for (colX = 0; colX < numCols; colX++) {
         if (PCT == allocTypes[colX]) {
           allocTypes[colX] = -1;