diff --git a/sheets/Condition.cpp b/sheets/Condition.cpp
--- a/sheets/Condition.cpp
+++ b/sheets/Condition.cpp
@@ -381,6 +381,8 @@
 
 bool Conditions::operator==(const Conditions& other) const
 {
+    if (d->defaultStyle != other.d->defaultStyle)
+        return false;
     if (d->conditionList.count() != other.d->conditionList.count())
         return false;
     QLinkedList<Conditional>::ConstIterator end(d->conditionList.end());
@@ -399,7 +401,7 @@
 
 uint Calligra::Sheets::qHash(const Conditions &c)
 {
-    uint res = 0;
+    uint res = qHash(c.defaultStyle());
     foreach (const Conditional& co, c.conditionList()) {
         res ^= qHash(co);
     }
diff --git a/sheets/RectStorage.h b/sheets/RectStorage.h
--- a/sheets/RectStorage.h
+++ b/sheets/RectStorage.h
@@ -570,19 +570,15 @@
 
     QList<QPair<QRegion, T> > treeData;
     typedef QPair<QRegion, T> TRegion;
-    QMap<T, int> indexCache;
     foreach (const TRegion& tr, m_data) {
         const QRegion& reg = tr.first;
         const T& d = tr.second;
 
-        typename QMap<T, int>::iterator idx = indexCache.find(d);
-        int index = idx != indexCache.end() ? idx.value() : m_storage->m_storedData.indexOf(d);
+        int index = m_storage->m_storedData.indexOf(d);
         if (index != -1) {
             treeData.append(qMakePair(reg, m_storage->m_storedData[index]));
-            if (idx == indexCache.end()) indexCache.insert(d, index);
         } else {
             treeData.append(tr);
-            if (idx == indexCache.end()) indexCache.insert(d, m_storage->m_storedData.size());
             m_storage->m_storedData.append(d);
         }
     }