diff --git a/src/crl.c b/src/crl.c
index 012a06a30..1376a72d8 100644
--- a/src/crl.c
+++ b/src/crl.c
@@ -121,6 +121,7 @@ static int InitCRL_Entry(CRL_Entry* crle, DecodedCRL* dcrl, const byte* buff,
     }
 
     (void)verified;
+    (void)heap;
 
     return 0;
 }
diff --git a/src/tls.c b/src/tls.c
index f6cb27220..e982ad425 100644
--- a/src/tls.c
+++ b/src/tls.c
@@ -1449,6 +1449,8 @@ static ALPN* TLSX_ALPN_New(char *protocol_name, word16 protocol_nameSz,
     XMEMCPY(alpn->protocol_name, protocol_name, protocol_nameSz);
     alpn->protocol_name[protocol_nameSz] = 0;
 
+    (void)heap;
+
     return alpn;
 }
 
@@ -2420,6 +2422,8 @@ static TCA* TLSX_TCA_New(byte type, const byte* id, word16 idSz, void* heap)
         }
     }
 
+    (void)heap;
+
     return tca;
 }
 
@@ -8351,6 +8355,8 @@ static int TLSX_PreSharedKey_New(PreSharedKey** list, byte* identity,
     *list = psk;
     *preSharedKey = psk;
 
+    (void)heap;
+
     return 0;
 }
 
diff --git a/wolfcrypt/src/asn.c b/wolfcrypt/src/asn.c
index 81c5ee5de..23422c8aa 100644
--- a/wolfcrypt/src/asn.c
+++ b/wolfcrypt/src/asn.c
@@ -14170,6 +14170,9 @@ static int ASNToHexString(const byte* input, word32* inOutIdx, char** out,
     *inOutIdx += len;
     *out = str;
 
+    (void)heap;
+    (void)heapType;
+
     return 0;
 }
 #endif /* WOLFSSL_CUSTOM_CURVES */