diff --git a/src/libs/antares/series/series.cpp b/src/libs/antares/series/series.cpp
index e8bb72bede..50ec885aa4 100644
--- a/src/libs/antares/series/series.cpp
+++ b/src/libs/antares/series/series.cpp
@@ -70,24 +70,17 @@ int TimeSeries::saveToFolder(const AreaName& areaID,
 
 double TimeSeries::getCoefficient(uint32_t year, uint32_t timestep) const
 {
-    if (timeSeries.width == 0)
-        return 0;
     return timeSeries[getSeriesIndex(year)][timestep];
 }
 
 const double* TimeSeries::getColumn(uint32_t year) const
 {
-    if (timeSeries.width == 0)
-        return emptyColumn;
     return timeSeries[getSeriesIndex(year)];
 }
 
 uint32_t TimeSeries::getSeriesIndex(uint32_t year) const
 {
-    if (timeSeries.width == 1)
-        return 0;
-    else
-        return timeseriesNumbers[0][year];
+    return timeseriesNumbers[0][year];
 }
 
 double* TimeSeries::operator[](uint32_t index)
diff --git a/src/solver/simulation/timeseries-numbers.cpp b/src/solver/simulation/timeseries-numbers.cpp
index 2a21d02464..1091d41a2b 100644
--- a/src/solver/simulation/timeseries-numbers.cpp
+++ b/src/solver/simulation/timeseries-numbers.cpp
@@ -798,7 +798,7 @@ bool TimeSeriesNumbers::Generate(Study& study)
 
     for (uint year = 0; year < years; ++year)
     {
-        // Intra-modal TS : draw and store TS numbres
+        // Intra-modal TS : draw and store TS numbers
         drawTSnumbersForIntraModal(
           intramodal_draws, isTSintramodal, nbTimeseriesByMode, study.runtime->random);
         storeTSnumbersForIntraModal(intramodal_draws, isTSintramodal, year, study.areas);