diff --git a/wolfssl/internal.h b/wolfssl/internal.h
index 8f504cd0a..6bc5c6aa2 100644
--- a/wolfssl/internal.h
+++ b/wolfssl/internal.h
@@ -26,20 +26,44 @@
 
 #include <wolfssl/wolfcrypt/types.h>
 #include <wolfssl/ssl.h>
-#include <wolfssl/crl.h>
+#ifdef HAVE_CRL
+    #include <wolfssl/crl.h>
+#endif
 #include <wolfssl/wolfcrypt/random.h>
-#include <wolfssl/wolfcrypt/des3.h>
-#include <wolfssl/wolfcrypt/hc128.h>
-#include <wolfssl/wolfcrypt/rabbit.h>
-#include <wolfssl/wolfcrypt/chacha.h>
-#include <wolfssl/wolfcrypt/asn.h>
-#include <wolfssl/wolfcrypt/md5.h>
-#include <wolfssl/wolfcrypt/sha.h>
-#include <wolfssl/wolfcrypt/aes.h>
-#include <wolfssl/wolfcrypt/poly1305.h>
-#include <wolfssl/wolfcrypt/camellia.h>
+#ifndef NO_DES3
+    #include <wolfssl/wolfcrypt/des3.h>
+#endif
+#ifndef NO_HC128
+    #include <wolfssl/wolfcrypt/hc128.h>
+#endif
+#ifndef NO_RABBIT
+    #include <wolfssl/wolfcrypt/rabbit.h>
+#endif
+#ifdef HAVE_CHACHA
+    #include <wolfssl/wolfcrypt/chacha.h>
+#endif
+#ifndef NO_ASN
+    #include <wolfssl/wolfcrypt/asn.h>
+#endif
+#ifndef NO_MD5
+    #include <wolfssl/wolfcrypt/md5.h>
+#endif
+#ifndef NO_SHA
+    #include <wolfssl/wolfcrypt/sha.h>
+#endif
+#ifndef NO_AES
+    #include <wolfssl/wolfcrypt/aes.h>
+#endif
+#ifdef HAVE_POLY1305
+    #include <wolfssl/wolfcrypt/poly1305.h>
+#endif
+#ifdef HAVE_CAMELLIA
+    #include <wolfssl/wolfcrypt/camellia.h>
+#endif
 #include <wolfssl/wolfcrypt/logging.h>
-#include <wolfssl/wolfcrypt/hmac.h>
+#ifndef NO_HMAC
+    #include <wolfssl/wolfcrypt/hmac.h>
+#endif
 #ifndef NO_RC4
     #include <wolfssl/wolfcrypt/arc4.h>
 #endif
@@ -69,7 +93,7 @@
     #include <signal.h>
 #endif
 
-#ifdef USE_WINDOWS_API 
+#ifdef USE_WINDOWS_API
     #ifdef WOLFSSL_GAME_BUILD
         #include "system/xtl.h"
     #else
@@ -144,7 +168,7 @@
 #endif
 
 
-#ifdef USE_WINDOWS_API 
+#ifdef USE_WINDOWS_API
     typedef unsigned int SOCKET_T;
 #else
     typedef int SOCKET_T;
diff --git a/wolfssl/wolfcrypt/asn.h b/wolfssl/wolfcrypt/asn.h
index 4fe649680..cf89bf32b 100644
--- a/wolfssl/wolfcrypt/asn.h
+++ b/wolfssl/wolfcrypt/asn.h
@@ -25,17 +25,27 @@
 #define WOLF_CRYPT_ASN_H
 
 #include <wolfssl/wolfcrypt/types.h>
-#include <wolfssl/wolfcrypt/rsa.h>
+#ifndef NO_RSA
+    #include <wolfssl/wolfcrypt/rsa.h>
+#endif
 
 /* fips declare of RsaPrivateKeyDecode @wc_fips */
-#ifdef HAVE_FIPS
+#if defined(HAVE_FIPS) && !defined(NO_RSA)
     #include <cyassl/ctaocrypt/rsa.h>
 #endif
 
-#include <wolfssl/wolfcrypt/dh.h>
-#include <wolfssl/wolfcrypt/dsa.h>
-#include <wolfssl/wolfcrypt/sha.h>
-#include <wolfssl/wolfcrypt/md5.h>
+#ifndef NO_DH
+    #include <wolfssl/wolfcrypt/dh.h>
+#endif
+#ifndef NO_DSA
+    #include <wolfssl/wolfcrypt/dsa.h>
+#endif
+#ifndef NO_SHA
+    #include <wolfssl/wolfcrypt/sha.h>
+#endif
+#ifndef NO_MD5
+    #include <wolfssl/wolfcrypt/md5.h>
+#endif
 #include <wolfssl/wolfcrypt/asn_public.h>   /* public interface */
 #ifdef HAVE_ECC
     #include <wolfssl/wolfcrypt/ecc.h>
diff --git a/wolfssl/wolfcrypt/asn_public.h b/wolfssl/wolfcrypt/asn_public.h
index 98b3081d4..8708708c7 100644
--- a/wolfssl/wolfcrypt/asn_public.h
+++ b/wolfssl/wolfcrypt/asn_public.h
@@ -24,8 +24,10 @@
 #define WOLF_CRYPT_ASN_PUBLIC_H
 
 #include <wolfssl/wolfcrypt/types.h>
-#include <wolfssl/wolfcrypt/ecc.h>
-#ifdef WOLFSSL_CERT_GEN
+#ifdef HAVE_ECC
+    #include <wolfssl/wolfcrypt/ecc.h>
+#endif
+#if defined(WOLFSSL_CERT_GEN) && !defined(NO_RSA)
     #include <wolfssl/wolfcrypt/rsa.h>
 #endif
 
diff --git a/wolfssl/wolfcrypt/chacha.h b/wolfssl/wolfcrypt/chacha.h
index 9caa79cf8..5e2a51e08 100644
--- a/wolfssl/wolfcrypt/chacha.h
+++ b/wolfssl/wolfcrypt/chacha.h
@@ -19,6 +19,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#ifdef HAVE_CHACHA
+
 #ifndef WOLF_CRYPT_CHACHA_H
 #define WOLF_CRYPT_CHACHA_H
 
@@ -51,5 +53,6 @@ WOLFSSL_API int wc_Chacha_SetKey(ChaCha* ctx, const byte* key, word32 keySz);
     } /* extern "C" */
 #endif
 
-#endif
+#endif /* WOLF_CRYPT_CHACHA_H */
+#endif /* HAVE_CHACHA */
 
diff --git a/wolfssl/wolfcrypt/pkcs7.h b/wolfssl/wolfcrypt/pkcs7.h
index 1dc60712b..6cd346728 100644
--- a/wolfssl/wolfcrypt/pkcs7.h
+++ b/wolfssl/wolfcrypt/pkcs7.h
@@ -26,10 +26,14 @@
 #define WOLF_CRYPT_PKCS7_H
 
 #include <wolfssl/wolfcrypt/types.h>
-#include <wolfssl/wolfcrypt/asn.h>
+#ifndef NO_ASN
+    #include <wolfssl/wolfcrypt/asn.h>
+#endif
 #include <wolfssl/wolfcrypt/asn_public.h>
 #include <wolfssl/wolfcrypt/random.h>
-#include <wolfssl/wolfcrypt/des3.h>
+#ifndef NO_DES3
+    #include <wolfssl/wolfcrypt/des3.h>
+#endif
 
 #ifdef __cplusplus
     extern "C" {