diff --git a/ClosedXML/Excel/Ranges/IXLRanges.cs b/ClosedXML/Excel/Ranges/IXLRanges.cs
index cc6cdab..cadda81 100644
--- a/ClosedXML/Excel/Ranges/IXLRanges.cs
+++ b/ClosedXML/Excel/Ranges/IXLRanges.cs
@@ -19,6 +19,12 @@
         /// <param name="range">The range to remove from this group.</param>
         void Remove(IXLRange range);
 
+        /// <summary>
+        /// Removes all ranges from the collection optionally disposing them.
+        /// </summary>
+        /// <param name="dispose"></param>
+        void RemoveAll(bool dispose = true);
+
         Int32 Count { get; }
 
         Boolean Contains(IXLRange range);
diff --git a/ClosedXML/Excel/Ranges/XLRanges.cs b/ClosedXML/Excel/Ranges/XLRanges.cs
index fcca3f6..9a5c9b4 100644
--- a/ClosedXML/Excel/Ranges/XLRanges.cs
+++ b/ClosedXML/Excel/Ranges/XLRanges.cs
@@ -47,6 +47,14 @@
             _ranges.RemoveAll(r => r.ToString() == range.ToString());
         }
 
+        public void RemoveAll(bool dispose = true)
+        {
+            Count = 0;
+            if (dispose)
+                _ranges.ForEach(r => r.Dispose());
+            _ranges.Clear();
+        }
+
         public int Count { get; private set; }
 
         public IEnumerator<IXLRange> GetEnumerator()
diff --git a/ClosedXML_Tests/Excel/Ranges/XLRangeBaseTests.cs b/ClosedXML_Tests/Excel/Ranges/XLRangeBaseTests.cs
index eff6f11..8171db0 100644
--- a/ClosedXML_Tests/Excel/Ranges/XLRangeBaseTests.cs
+++ b/ClosedXML_Tests/Excel/Ranges/XLRangeBaseTests.cs
@@ -387,5 +387,41 @@
             Assert.AreEqual(1, ws.ConditionalFormats.Count());
             Assert.AreEqual("C3:G4", ws.ConditionalFormats.Single().Range.RangeAddress.ToStringRelative());
         }
+
+        [Test]
+        public void RangesRemoveAllWithDispose()
+        {
+            var ws = new XLWorkbook().Worksheets.Add("Sheet1");
+            var ranges = new XLRanges();
+            ranges.Add(ws.Range("A1:A2"));
+            ranges.Add(ws.Range("B1:B2"));
+            var rangesCopy = ranges.ToList();
+
+            ranges.RemoveAll();
+            ws.FirstColumn().InsertColumnsBefore(1);
+
+            Assert.AreEqual(0, ranges.Count);
+            // if ranges were disposed they addresses didn't change
+            Assert.AreEqual("A1:A2", rangesCopy.First().RangeAddress.ToString());
+            Assert.AreEqual("B1:B2", rangesCopy.Last().RangeAddress.ToString());
+        }
+
+        [Test]
+        public void RangesRemoveAllWithoutDispose()
+        {
+            var ws = new XLWorkbook().Worksheets.Add("Sheet1");
+            var ranges = new XLRanges();
+            ranges.Add(ws.Range("A1:A2"));
+            ranges.Add(ws.Range("B1:B2"));
+            var rangesCopy = ranges.ToList();
+
+            ranges.RemoveAll(false);
+            ws.FirstColumn().InsertColumnsBefore(1);
+
+            Assert.AreEqual(0, ranges.Count);
+            // if ranges were not disposed they addresses should change
+            Assert.AreEqual("B1:B2", rangesCopy.First().RangeAddress.ToString());
+            Assert.AreEqual("C1:C2", rangesCopy.Last().RangeAddress.ToString());
+        }
     }
 }