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-rw-r--r--src/rpc/blockchain.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/rpc/blockchain.h b/src/rpc/blockchain.h
index 960edfd56f..3aa8de2d2b 100644
--- a/src/rpc/blockchain.h
+++ b/src/rpc/blockchain.h
@@ -16,7 +16,7 @@ class UniValue;
* @return A floating point number that is a multiple of the main net minimum
* difficulty (4295032833 hashes).
*/
-double GetDifficulty(const CBlockIndex* blockindex = nullptr);
+double GetDifficulty(const CBlockIndex* blockindex);
/** Callback for when block tip changed. */
void RPCNotifyBlockChange(bool ibd, const CBlockIndex *);
@@ -34,4 +34,3 @@ UniValue mempoolToJSON(bool fVerbose = false);
UniValue blockheaderToJSON(const CBlockIndex* blockindex);
#endif
-