diff --git a/src/file_analysis/analyzer/x509/X509.cc b/src/file_analysis/analyzer/x509/X509.cc
index d1e80c1ae7..b12e95c89f 100644
--- a/src/file_analysis/analyzer/x509/X509.cc
+++ b/src/file_analysis/analyzer/x509/X509.cc
@@ -377,6 +377,8 @@ void X509::ParseSAN(X509_EXTENSION* ext) {
 
                     emails->Assign(emails->Size(), std::move(bs));
                     break;
+
+                default: break;
             }
         }
 
diff --git a/src/probabilistic/Hasher.cc b/src/probabilistic/Hasher.cc
index 4805cc8f48..632b3543aa 100644
--- a/src/probabilistic/Hasher.cc
+++ b/src/probabilistic/Hasher.cc
@@ -71,6 +71,8 @@ std::unique_ptr<Hasher> Hasher::Unserialize(BrokerDataView data) {
         case Default: hasher.reset(new DefaultHasher(k, {h1, h2})); break;
 
         case Double: hasher.reset(new DoubleHasher(k, {h1, h2})); break;
+
+        default: break;
     }
 
     // Note that the derived classed don't hold any further state of
diff --git a/src/threading/SerialTypes.cc b/src/threading/SerialTypes.cc
index 6ae211c3bc..53560ee572 100644
--- a/src/threading/SerialTypes.cc
+++ b/src/threading/SerialTypes.cc
@@ -245,8 +245,8 @@ bool Value::Read(detail::SerializationFormat* fmt) {
 
             switch ( family ) {
                 case 4: val.addr_val.family = IPv4; return fmt->Read(&val.addr_val.in.in4, "addr-in4");
-
                 case 6: val.addr_val.family = IPv6; return fmt->Read(&val.addr_val.in.in6, "addr-in6");
+                default: reporter->Warning("Unknown family type %d when reading addr\n", family); break;
             }
 
             // Can't be reached.
@@ -270,6 +270,7 @@ bool Value::Read(detail::SerializationFormat* fmt) {
                     val.subnet_val.length = (uint8_t)length;
                     val.subnet_val.prefix.family = IPv6;
                     return fmt->Read(&val.subnet_val.prefix.in.in6, "subnet-in6");
+                default: reporter->Warning("Unknown family type %d when reading subnet\n", family); break;
             }
 
             // Can't be reached.