diff --git a/core/src/global.rs b/core/src/global.rs
index 7c9a24dfc..0a15b2c33 100644
--- a/core/src/global.rs
+++ b/core/src/global.rs
@@ -18,8 +18,7 @@
 
 use consensus::HeaderInfo;
 use consensus::{
-	BLOCK_TIME_SEC, COINBASE_MATURITY, CUT_THROUGH_HORIZON, DEFAULT_MIN_EDGE_BITS,
-	DIFFICULTY_ADJUST_WINDOW, INITIAL_DIFFICULTY, MEDIAN_TIME_WINDOW, PROOFSIZE,
+	BLOCK_TIME_SEC, COINBASE_MATURITY, CUT_THROUGH_HORIZON, SECOND_POW_EDGE_BITS, DIFFICULTY_ADJUST_WINDOW, INITIAL_DIFFICULTY, MEDIAN_TIME_WINDOW, PROOFSIZE,
 	BASE_EDGE_BITS,
 };
 use pow::{self, CuckatooContext, EdgeType, PoWContext};
@@ -153,7 +152,7 @@ pub fn min_edge_bits() -> u8 {
 		ChainTypes::AutomatedTesting => AUTOMATED_TESTING_MIN_EDGE_BITS,
 		ChainTypes::UserTesting => USER_TESTING_MIN_EDGE_BITS,
 		ChainTypes::Testnet1 => USER_TESTING_MIN_EDGE_BITS,
-		_ => DEFAULT_MIN_EDGE_BITS,
+		_ => SECOND_POW_EDGE_BITS,
 	}
 }