diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/ConditionalFormats/IXLConditionalFormats.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/ConditionalFormats/IXLConditionalFormats.cs
index 091f9eb..94fe02a 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/ConditionalFormats/IXLConditionalFormats.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/ConditionalFormats/IXLConditionalFormats.cs
@@ -8,5 +8,7 @@
     public interface IXLConditionalFormats: IEnumerable<IXLConditionalFormat>
     {
         void Add(IXLConditionalFormat conditionalFormat);
+        void RemoveAll();
+        void Remove(Predicate<IXLConditionalFormat> predicate);
     }
 }
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/ConditionalFormats/XLConditionalFormats.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/ConditionalFormats/XLConditionalFormats.cs
index d4b60bf..0b221ad 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/ConditionalFormats/XLConditionalFormats.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/ConditionalFormats/XLConditionalFormats.cs
@@ -22,5 +22,15 @@
         {
             return GetEnumerator();
         }
+
+        public void Remove(Predicate<IXLConditionalFormat> predicate)
+        {
+            _conditionalFormats.RemoveAll(predicate);
+        }
+
+        public void RemoveAll()
+        {
+            _conditionalFormats.Clear();
+        }
     }
 }