diff --git a/pgpainless-core/src/main/java/org/pgpainless/decryption_verification/SignatureInputStream.java b/pgpainless-core/src/main/java/org/pgpainless/decryption_verification/SignatureInputStream.java
index 59c93a4c..6166d6f6 100644
--- a/pgpainless-core/src/main/java/org/pgpainless/decryption_verification/SignatureInputStream.java
+++ b/pgpainless-core/src/main/java/org/pgpainless/decryption_verification/SignatureInputStream.java
@@ -13,7 +13,6 @@ import java.util.List;
 import javax.annotation.Nonnull;
 
 import org.bouncycastle.openpgp.PGPPublicKeyRing;
-import org.bouncycastle.openpgp.PGPSignature;
 import org.pgpainless.PGPainless;
 import org.pgpainless.exception.SignatureValidationException;
 import org.pgpainless.policy.Policy;
@@ -141,10 +140,4 @@ public abstract class SignatureInputStream extends FilterInputStream {
         }
 
     }
-
-    public static class CleartextSignatures extends SignatureInputStream {
-        public CleartextSignatures(InputStream inputStream, List<PGPSignature> signatures) {
-            super(inputStream);
-        }
-    }
 }