diff --git a/core/include/Data/DataSeries.h b/core/include/Data/DataSeries.h
index e2bea9a..a5a9d68 100644
--- a/core/include/Data/DataSeries.h
+++ b/core/include/Data/DataSeries.h
@@ -190,17 +190,28 @@ public:
 
     void purge(double min, double max) override
     {
+        // Nothing to purge if series is empty
+        if (isEmpty()) {
+            return;
+        }
+
         if (min > max) {
             std::swap(min, max);
         }
 
-        lockWrite();
-
-        auto it = std::remove_if(
-            begin(), end(), [min, max](const auto &it) { return it.x() < min || it.x() > max; });
-        erase(it, end());
+        // Nothing to purge if series min/max are inside purge range
+        auto xMin = cbegin()->x();
+        auto xMax = (--cend())->x();
+        if (xMin >= min && xMax <= max) {
+            return;
+        }
 
-        unlock();
+        auto lowerIt = std::lower_bound(
+            begin(), end(), min, [](const auto &it, const auto &val) { return it.x() < val; });
+        erase(begin(), lowerIt);
+        auto upperIt = std::upper_bound(
+            begin(), end(), max, [](const auto &val, const auto &it) { return val < it.x(); });
+        erase(upperIt, end());
     }
 
     // ///////// //