diff --git a/ApplicationLibCode/FileInterface/RifRoffFileTools.cpp b/ApplicationLibCode/FileInterface/RifRoffFileTools.cpp
index b64f93f77a..120bbea416 100644
--- a/ApplicationLibCode/FileInterface/RifRoffFileTools.cpp
+++ b/ApplicationLibCode/FileInterface/RifRoffFileTools.cpp
@@ -182,63 +182,37 @@ bool RifRoffFileTools::openGridFile( const QString& fileName, RigEclipseCaseData
         size_t numActiveCells = computeActiveCellMatrixIndex( activeCells );
 
         // Loop over cells and fill them with data
-#pragma omp parallel
-        {
-            int cellCountPerThread = cellCount;
-#ifdef USE_OPENMP
-            cellCountPerThread = std::max( 1, cellCount / omp_get_num_threads() );
-#endif
-
-            int computedThreadCellCount = 0;
-
-            int cellsPrProgressTick = std::max( 1, cellCountPerThread / progTicks );
-            int maxProgressCell     = cellsPrProgressTick * progTicks;
-
 #pragma omp for
-            for ( int gridLocalCellIndex = 0; gridLocalCellIndex < cellCount; ++gridLocalCellIndex )
+        for ( int gridLocalCellIndex = 0; gridLocalCellIndex < cellCount; ++gridLocalCellIndex )
+        {
+            RigCell& cell = mainGrid->globalCellArray()[cellStartIndex + gridLocalCellIndex];
+
+            cell.setGridLocalCellIndex( gridLocalCellIndex );
+
+            // Active cell index
+            int matrixActiveIndex = activeCells[gridLocalCellIndex];
+            if ( matrixActiveIndex != -1 )
             {
-                RigCell& cell = mainGrid->globalCellArray()[cellStartIndex + gridLocalCellIndex];
-
-                cell.setGridLocalCellIndex( gridLocalCellIndex );
-
-                // Active cell index
-                int matrixActiveIndex = activeCells[gridLocalCellIndex];
-                if ( matrixActiveIndex != -1 )
-                {
-                    activeCellInfo->setCellResultIndex( cellStartIndex + gridLocalCellIndex, matrixActiveIndex );
-                }
-
-                cell.setParentCellIndex( cvf::UNDEFINED_SIZE_T );
-
-                // Corner coordinates
-                for ( int cIdx = 0; cIdx < 8; ++cIdx )
-                {
-                    double* point  = mainGrid->nodes()[nodeStartIndex + (size_t)gridLocalCellIndex * 8 + cellMappingECLRi[cIdx]].ptr();
-                    auto    corner = getCorner( *mainGrid, cornerLines, zCorners, gridLocalCellIndex, cIdx, offset, scale );
-
-                    point[0] = corner.x();
-                    point[1] = corner.y();
-                    point[2] = corner.z();
-
-                    cell.cornerIndices()[cIdx] = nodeStartIndex + (size_t)gridLocalCellIndex * 8 + cIdx;
-                }
-
-                // Mark inactive long pyramid looking cells as invalid
-                cell.setInvalid( cell.isLongPyramidCell() );
-
-#ifdef USE_OPENMP
-                if ( omp_get_thread_num() == 0 )
-                {
-                    computedThreadCellCount++;
-                    if ( computedThreadCellCount <= maxProgressCell && computedThreadCellCount % cellsPrProgressTick == 0 )
-                        progInfo.incrementProgress();
-                }
-#else
-                computedThreadCellCount++;
-                if ( computedThreadCellCount <= maxProgressCell && computedThreadCellCount % cellsPrProgressTick == 0 )
-                    progInfo.incrementProgress();
-#endif
+                activeCellInfo->setCellResultIndex( cellStartIndex + gridLocalCellIndex, matrixActiveIndex );
             }
+
+            cell.setParentCellIndex( cvf::UNDEFINED_SIZE_T );
+
+            // Corner coordinates
+            for ( int cIdx = 0; cIdx < 8; ++cIdx )
+            {
+                double* point  = mainGrid->nodes()[nodeStartIndex + (size_t)gridLocalCellIndex * 8 + cellMappingECLRi[cIdx]].ptr();
+                auto    corner = getCorner( *mainGrid, cornerLines, zCorners, gridLocalCellIndex, cIdx, offset, scale );
+
+                point[0] = corner.x();
+                point[1] = corner.y();
+                point[2] = corner.z();
+
+                cell.cornerIndices()[cIdx] = nodeStartIndex + (size_t)gridLocalCellIndex * 8 + cIdx;
+            }
+
+            // Mark inactive long pyramid looking cells as invalid
+            cell.setInvalid( cell.isLongPyramidCell() );
         }
 
         activeCellInfo->setGridActiveCellCounts( 0, numActiveCells );