diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index c1d97f6..2fac5b5 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -20,5 +20,5 @@ jobs:
       - name: Run golangci-lint
         uses: golangci/golangci-lint-action@v4.0.0
         with:
-          version: v1.51.1
+          version: latest
           args: -E bodyclose,gocritic,gofmt,gosec,govet,nestif,nlreturn,revive,rowserrcheck --exclude G401,G501,G107
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index dc570f5..7887242 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,7 +28,7 @@ jobs:
           fi
 
       - name: Test
-        run: go test -v -coverprofile=coverage.txt -covermode=atomic ./...
+        run: go test -v -coverprofile=coverage.txt -covermode=atomic $(go list ./... | grep -v /examples/)
 
       - name: Codecov
         uses: codecov/codecov-action@v4.0.1
diff --git a/keys/keys.go b/keys/keys.go
index 524dff9..a2958d5 100644
--- a/keys/keys.go
+++ b/keys/keys.go
@@ -92,33 +92,13 @@ func ReadPrivateKey(reader io.Reader, passPhrase []byte) (privateKey [chacha20po
 		return
 	}
 
-	// Not OpenSSH private key, assuming OpenSSL private key, trying to figure out type (Ed25519 or X25519)
 	block, _ := pem.Decode(allBytes)
 
 	if block == nil {
-		return [chacha20poly1305.KeySize]byte{}, fmt.Errorf("Read of unrecognized private key format failed; " +
+		return [chacha20poly1305.KeySize]byte{}, fmt.Errorf("read of unrecognized private key format failed; " +
 			"expected PEM encoded key")
 	}
 
-	var openSSLPrivateKey openSSLPrivateKey
-	if _, err = asn1.Unmarshal(block.Bytes, &openSSLPrivateKey); err == nil {
-		// Trying to read OpenSSL Ed25519 private key and convert to X25519 private key
-		if openSSLPrivateKey.Algorithm.Algorithm.Equal(ed25519Algorithm) {
-			var edKeyBytes ed25519.PrivateKey
-			copy(edKeyBytes[:], block.Bytes[len(block.Bytes)-chacha20poly1305.KeySize:])
-			PrivateKeyToCurve25519(&privateKey, edKeyBytes)
-
-			return
-		}
-
-		// Trying to read OpenSSL X25519 private key
-		if openSSLPrivateKey.Algorithm.Algorithm.Equal(x25519Algorithm) {
-			copy(privateKey[:], block.Bytes[len(block.Bytes)-chacha20poly1305.KeySize:])
-
-			return
-		}
-	}
-
 	// Interpreting bytes as Crypt4GH private key bytes (https://crypt4gh.readthedocs.io/en/latest/keys.html)
 	if len(block.Bytes) > 8 && string(block.Bytes[:7]) == magic {
 		return readCrypt4GHPrivateKey(block.Bytes, passPhrase)