diff --git a/src/Microsoft.IdentityModel.Tokens/RsaSecurityKey.cs b/src/Microsoft.IdentityModel.Tokens/RsaSecurityKey.cs
index 7b3fa3ef05..11fe431374 100644
--- a/src/Microsoft.IdentityModel.Tokens/RsaSecurityKey.cs
+++ b/src/Microsoft.IdentityModel.Tokens/RsaSecurityKey.cs
@@ -76,14 +76,7 @@ public override bool HasPrivateKey
                     {
                         // imitate signing
                         byte[] hash = new byte[20];
-#if NET462 || NET472 || NETSTANDARD2_0 || NET6_0_OR_GREATER
                         Rsa.SignData(hash, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
-#else
-                        if (Rsa is RSACryptoServiceProvider rsaCryptoServiceProvider)
-                            rsaCryptoServiceProvider.SignData(hash, SecurityAlgorithms.Sha256);
-                        else
-                            Rsa.DecryptValue(hash);
-#endif
                         _hasPrivateKey = true;
                     }
                     catch (CryptographicException)