diff --git a/cpp/src/parquet/encryption/encryption_internal_nossl.cc b/cpp/src/parquet/encryption/encryption_internal_nossl.cc
index 2a8162ed3964b..cc1bef14c9572 100644
--- a/cpp/src/parquet/encryption/encryption_internal_nossl.cc
+++ b/cpp/src/parquet/encryption/encryption_internal_nossl.cc
@@ -38,8 +38,6 @@ int32_t AesEncryptor::SignedFooterEncrypt(::arrow::util::span<const uint8_t> foo
   return -1;
 }
 
-void AesEncryptor::WipeOut() { ThrowOpenSSLRequiredException(); }
-
 int32_t AesEncryptor::CiphertextLength(int64_t plaintext_len) const {
   ThrowOpenSSLRequiredException();
   return -1;
@@ -68,8 +66,6 @@ int32_t AesDecryptor::Decrypt(::arrow::util::span<const uint8_t> ciphertext,
   return -1;
 }
 
-void AesDecryptor::WipeOut() { ThrowOpenSSLRequiredException(); }
-
 AesDecryptor::~AesDecryptor() {}
 
 std::unique_ptr<AesEncryptor> AesEncryptor::Make(ParquetCipher::type alg_id,