--- a/ipc/glue/ProtocolUtils.cpp
+++ b/ipc/glue/ProtocolUtils.cpp
@@ -311,18 +311,17 @@ void
 LogicError(const char* aMsg)
 {
   MOZ_CRASH_UNSAFE_OOL(aMsg);
 }
 
 void
 ActorIdReadError(const char* aActorDescription)
 {
-  nsPrintfCString message("Error deserializing id for %s", aActorDescription);
-  NS_RUNTIMEABORT(message.get());
+  MOZ_CRASH_UNSAFE_PRINTF("Error deserializing id for %s", aActorDescription);
 }
 
 void
 BadActorIdError(const char* aActorDescription)
 {
   nsPrintfCString message("bad id for %s", aActorDescription);
   ProtocolErrorBreakpoint(message.get());
 }
@@ -340,32 +339,29 @@ MismatchedActorTypeError(const char* aAc
   nsPrintfCString message("actor that should be of type %s has different type",
                           aActorDescription);
   ProtocolErrorBreakpoint(message.get());
 }
 
 void
 UnionTypeReadError(const char* aUnionName)
 {
-  nsPrintfCString message("error deserializing type of union %s", aUnionName);
-  NS_RUNTIMEABORT(message.get());
+  MOZ_CRASH_UNSAFE_PRINTF("error deserializing type of union %s", aUnionName);
 }
 
 void
 ArrayLengthReadError(const char* aElementName)
 {
-  nsPrintfCString message("error deserializing length of %s[]", aElementName);
-  NS_RUNTIMEABORT(message.get());
+  MOZ_CRASH_UNSAFE_PRINTF("error deserializing length of %s[]", aElementName);
 }
 
 void
 SentinelReadError(const char* aClassName)
 {
-  nsPrintfCString message("incorrect sentinel when reading %s", aClassName);
-  NS_RUNTIMEABORT(message.get());
+  MOZ_CRASH_UNSAFE_PRINTF("incorrect sentinel when reading %s", aClassName);
 }
 
 void
 TableToArray(const nsTHashtable<nsPtrHashKey<void>>& aTable,
              nsTArray<void*>& aArray)
 {
   uint32_t i = 0;
   void** elements = aArray.AppendElements(aTable.Count());