diff --git a/plugin/openssl/openssl.mk b/plugin/openssl/openssl.mk
index a090fc4..6cd6fd5 100644
--- a/plugin/openssl/openssl.mk
+++ b/plugin/openssl/openssl.mk
@@ -1,4 +1,4 @@
 openssl_SOURCES = openssl_provider.cc
 openssl_HEADERS = openssl_provider.h
 openssl_LDFLAGS = -lcrypto
-openssl_CXXFLAGS = -Iplugin/openssl/include -isystemplgun/openssl/include
+openssl_CXXFLAGS = -Iplugin/openssl/include
diff --git a/plugin/openssl/openssl_provider.cc b/plugin/openssl/openssl_provider.cc
index 25a2d78..0239bc8 100644
--- a/plugin/openssl/openssl_provider.cc
+++ b/plugin/openssl/openssl_provider.cc
@@ -18,7 +18,6 @@
 
 #include "openssl_provider.h"
 
-#include <emmintrin.h>
 #include <rocksdb/utilities/object_registry.h>
 #include "rocksdb/utilities/customizable_util.h"
 #include <memory>