diff --git a/fuzz/fuzz.h b/fuzz/fuzz.h
index 500e3ed6bf..93b9b13d03 100644
--- a/fuzz/fuzz.h
+++ b/fuzz/fuzz.h
@@ -9,8 +9,6 @@
  * information regarding copyright ownership.
  */
 
-#include <config.h>
-
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdint.h>
diff --git a/lib/dns/dst_internal.h b/lib/dns/dst_internal.h
index bfa28f06ee..3657733d49 100644
--- a/lib/dns/dst_internal.h
+++ b/lib/dns/dst_internal.h
@@ -25,8 +25,6 @@
 
 #pragma once
 
-#include <config.h>
-
 #include <inttypes.h>
 #include <stdbool.h>
 
diff --git a/lib/dns/tests/dnstest.h b/lib/dns/tests/dnstest.h
index e54b9a9e3d..96022780ef 100644
--- a/lib/dns/tests/dnstest.h
+++ b/lib/dns/tests/dnstest.h
@@ -11,8 +11,6 @@
 
 /*! \file */
 
-#include <config.h>
-
 #include <inttypes.h>
 #include <stdbool.h>
 
diff --git a/lib/isc/openssl_shim.h b/lib/isc/openssl_shim.h
index fe427fb734..0dd3820ad7 100644
--- a/lib/isc/openssl_shim.h
+++ b/lib/isc/openssl_shim.h
@@ -11,8 +11,6 @@
 
 #pragma once
 
-#include <config.h>
-
 #include <openssl/opensslv.h>
 #include <openssl/crypto.h>
 #include <openssl/engine.h>
diff --git a/lib/isc/tests/isctest.h b/lib/isc/tests/isctest.h
index 58ba799596..481e7038a8 100644
--- a/lib/isc/tests/isctest.h
+++ b/lib/isc/tests/isctest.h
@@ -11,8 +11,6 @@
 
 /*! \file */
 
-#include <config.h>
-
 #include <inttypes.h>
 #include <stdbool.h>
 
diff --git a/lib/ns/tests/nstest.h b/lib/ns/tests/nstest.h
index 6777149ab5..b457646e7f 100644
--- a/lib/ns/tests/nstest.h
+++ b/lib/ns/tests/nstest.h
@@ -11,8 +11,6 @@
 
 /*! \file */
 
-#include <config.h>
-
 #include <inttypes.h>
 #include <stdbool.h>