1 files changed, 1 insertions, 14 deletions
diff --git a/crypto/src/math/ec/custom/djb/Curve25519Point.cs b/crypto/src/math/ec/custom/djb/Curve25519Point.cs
index f3da59d16..bfec1d11d 100644
--- a/crypto/src/math/ec/custom/djb/Curve25519Point.cs
+++ b/crypto/src/math/ec/custom/djb/Curve25519Point.cs
@@ -5,7 +5,7 @@ using Org.BouncyCastle.Math.EC.Custom.Sec;
 namespace Org.BouncyCastle.Math.EC.Custom.Djb
 {
     internal class Curve25519Point
-        : ECPointBase
+        : AbstractFpPoint
     {
         /**
          * Create a point which encodes with point compression.
@@ -48,11 +48,6 @@ namespace Org.BouncyCastle.Math.EC.Custom.Djb
             return new Curve25519Point(null, AffineXCoord, AffineYCoord);
         }
 
-        protected internal override bool CompressionYTilde
-        {
-            get { return this.AffineYCoord.TestBitZero(); }
-        }
-
         public override ECFieldElement GetZCoord(int index)
         {
             if (index == 1)
@@ -224,14 +219,6 @@ namespace Org.BouncyCastle.Math.EC.Custom.Djb
             return TwiceJacobianModified(false).Add(this);
         }
 
-        public override ECPoint Subtract(ECPoint b)
-        {
-            if (b.IsInfinity)
-                return this;
-
-            return Add(b.Negate());
-        }
-
         public override ECPoint Negate()
         {
             if (IsInfinity)