diff --git a/src/libraries/System.Collections/src/System/Collections/Generic/SortedSet.cs b/src/libraries/System.Collections/src/System/Collections/Generic/SortedSet.cs
index 2f7406d0d7bf4..10c815c503551 100644
--- a/src/libraries/System.Collections/src/System/Collections/Generic/SortedSet.cs
+++ b/src/libraries/System.Collections/src/System/Collections/Generic/SortedSet.cs
@@ -1366,7 +1366,7 @@ public bool Overlaps(IEnumerable<T> other)
         /// An earlier implementation used delegates to perform these checks rather than returning
         /// an ElementCount struct; however this was changed due to the perf overhead of delegates.
         /// </summary>
-        private unsafe ElementCount CheckUniqueAndUnfoundElements(IEnumerable<T> other, bool returnIfUnfound)
+        private ElementCount CheckUniqueAndUnfoundElements(IEnumerable<T> other, bool returnIfUnfound)
         {
             ElementCount result;
 
diff --git a/src/libraries/System.Private.CoreLib/src/System/Collections/Generic/HashSet.cs b/src/libraries/System.Private.CoreLib/src/System/Collections/Generic/HashSet.cs
index f39fe93b13454..6bc713d127f3c 100644
--- a/src/libraries/System.Private.CoreLib/src/System/Collections/Generic/HashSet.cs
+++ b/src/libraries/System.Private.CoreLib/src/System/Collections/Generic/HashSet.cs
@@ -1570,7 +1570,7 @@ private void IntersectWithHashSetWithSameComparer(HashSet<T> other)
         ///
         /// This attempts to allocate on the stack, if below StackAllocThreshold.
         /// </summary>
-        private unsafe void IntersectWithEnumerable(IEnumerable<T> other)
+        private void IntersectWithEnumerable(IEnumerable<T> other)
         {
             Debug.Assert(_buckets != null, "_buckets shouldn't be null; callers should check first");
 
@@ -1642,7 +1642,7 @@ private void SymmetricExceptWithUniqueHashSet(HashSet<T> other)
         ///
         /// </summary>
         /// <param name="other"></param>
-        private unsafe void SymmetricExceptWithEnumerable(IEnumerable<T> other)
+        private void SymmetricExceptWithEnumerable(IEnumerable<T> other)
         {
             int originalCount = _count;
             int intArrayLength = BitHelper.ToIntArrayLength(originalCount);