diff --git a/examples/client/client.c b/examples/client/client.c
index 40dae0d3b..69fb7e31e 100644
--- a/examples/client/client.c
+++ b/examples/client/client.c
@@ -510,6 +510,7 @@ static int ClientBenchmarkThroughput(WOLFSSL_CTX* ctx, char* host, word16 port,
             else {
                 err_sys("wc_InitRng failed");
             }
+            (void)rng; /* for WC_NO_RNG case */
         }
         else {
             err_sys("Client buffer malloc failed");
diff --git a/tests/api.c b/tests/api.c
index 7920afca0..8719fcecc 100644
--- a/tests/api.c
+++ b/tests/api.c
@@ -20611,6 +20611,9 @@ static int test_wc_RNG_GenerateBlock(void)
 
     wc_FreeRng(&rng);
 
+    (void)rng; /* for WC_NO_RNG case */
+    (void)key;
+
     return ret;
 }
 #endif
diff --git a/wolfssl/test.h b/wolfssl/test.h
index 0a8849c6b..926f1f73e 100644
--- a/wolfssl/test.h
+++ b/wolfssl/test.h
@@ -2858,6 +2858,7 @@ static WC_INLINE const char* mymktemp(char *tempfn, int len, int num)
     tempfn[len] = '\0';
 
     wc_FreeRng(&rng);
+    (void)rng; /* for WC_NO_RNG case */
 
     return tempfn;
 }
@@ -2973,6 +2974,7 @@ static WC_INLINE word16 GetRandomPort(void)
         port |= 0xC000; /* Make sure its in the 49152 - 65535 range */
         wc_FreeRng(&rng);
     }
+    (void)rng; /* for WC_NO_RNG case */
     return port;
 }
 
diff --git a/wolfssl/wolfcrypt/random.h b/wolfssl/wolfcrypt/random.h
index 0d8db723c..676cd66a1 100644
--- a/wolfssl/wolfcrypt/random.h
+++ b/wolfssl/wolfcrypt/random.h
@@ -188,6 +188,7 @@ WOLFSSL_API int  wc_RNG_GenerateBlock(WC_RNG*, byte*, word32 sz);
 WOLFSSL_API int  wc_RNG_GenerateByte(WC_RNG*, byte*);
 WOLFSSL_API int  wc_FreeRng(WC_RNG*);
 #else
+#include <wolfssl/wolfcrypt/error-crypt.h>
 #define wc_InitRng(rng) NOT_COMPILED_IN
 #define wc_InitRng_ex(rng, h, d) NOT_COMPILED_IN
 #define wc_InitRngNonce(rng, n, s) NOT_COMPILED_IN