diff --git a/src/crypto/crypto_context.cc b/src/crypto/crypto_context.cc
index c092c43f038caa..9e0d89249daada 100644
--- a/src/crypto/crypto_context.cc
+++ b/src/crypto/crypto_context.cc
@@ -34,7 +34,9 @@ using ncrypto::BIOPointer;
 using ncrypto::ClearErrorOnReturn;
 using ncrypto::CryptoErrorList;
 using ncrypto::DHPointer;
+#ifndef OPENSSL_NO_ENGINE
 using ncrypto::EnginePointer;
+#endif  // !OPENSSL_NO_ENGINE
 using ncrypto::EVPKeyPointer;
 using ncrypto::MarkPopErrorOnReturn;
 using ncrypto::SSLPointer;
diff --git a/src/crypto/crypto_util.cc b/src/crypto/crypto_util.cc
index 032b07fbaad27b..737149b83dda4c 100644
--- a/src/crypto/crypto_util.cc
+++ b/src/crypto/crypto_util.cc
@@ -30,7 +30,9 @@ using ncrypto::BignumPointer;
 using ncrypto::BIOPointer;
 using ncrypto::CryptoErrorList;
 using ncrypto::DataPointer;
+#ifndef OPENSSL_NO_ENGINE
 using ncrypto::EnginePointer;
+#endif  // !OPENSSL_NO_ENGINE
 using ncrypto::EVPKeyCtxPointer;
 using ncrypto::SSLCtxPointer;
 using ncrypto::SSLPointer;