diff --git a/lib/isc/openssl_shim.c b/lib/isc/openssl_shim.c
index c39ba8c682..02d0105eb9 100644
--- a/lib/isc/openssl_shim.c
+++ b/lib/isc/openssl_shim.c
@@ -16,9 +16,7 @@
 #include <string.h>
 
 #include <openssl/crypto.h>
-#include <openssl/engine.h>
 #include <openssl/evp.h>
-#include <openssl/hmac.h>
 #include <openssl/opensslv.h>
 #include <openssl/ssl.h>
 
diff --git a/lib/isc/openssl_shim.h b/lib/isc/openssl_shim.h
index b2916e20a9..95b2f08e23 100644
--- a/lib/isc/openssl_shim.h
+++ b/lib/isc/openssl_shim.h
@@ -14,9 +14,7 @@
 #pragma once
 
 #include <openssl/crypto.h>
-#include <openssl/engine.h>
 #include <openssl/evp.h>
-#include <openssl/hmac.h>
 #include <openssl/opensslv.h>
 #include <openssl/ssl.h>