1 files changed, 2 insertions, 5 deletions
diff --git a/src/rpcmining.cpp b/src/rpcmining.cpp
index aac040c496..2954b9ee57 100644
--- a/src/rpcmining.cpp
+++ b/src/rpcmining.cpp
@@ -11,9 +11,6 @@
 using namespace json_spirit;
 using namespace std;
 
-extern double GetDifficulty(const CBlockIndex* blockindex = NULL);
-extern std::string HexBits(unsigned int nBits);
-
 Value getgenerate(const Array& params, bool fHelp)
 {
     if (fHelp || params.size() != 0)
@@ -377,8 +374,8 @@ Value submitblock(const Array& params, bool fHelp)
 
     bool fAccepted = ProcessBlock(NULL, &block);
     if (!fAccepted)
-        throw JSONRPCError(-23, "Block rejected");
+        return "rejected";
 
-    return true;
+    return Value::null;
 }