diff --git a/bitcoin/src/pow.rs b/bitcoin/src/pow.rs
index bbd812faa..32a47a9b3 100644
--- a/bitcoin/src/pow.rs
+++ b/bitcoin/src/pow.rs
@@ -355,6 +355,9 @@ impl CompactTarget {
     pub fn to_consensus(self) -> u32 { self.0 }
 }
 
+mod tmp {
+    use super::*;
+
 impl CompactTarget {
     /// Creates a `CompactTarget` from a prefixed hex string.
     pub fn from_hex(s: &str) -> Result<Self, PrefixedHexError> {
@@ -444,6 +447,7 @@ impl CompactTarget {
         CompactTarget::from_next_work_required(bits, timespan.into(), params)
     }
 }
+}
 
 impl From<CompactTarget> for Target {
     fn from(c: CompactTarget) -> Self { Target::from_compact(c) }