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-rw-r--r--src/transfer_function.cc1
1 files changed, 0 insertions, 1 deletions
diff --git a/src/transfer_function.cc b/src/transfer_function.cc
index c1343ff2..7b17fd36 100644
--- a/src/transfer_function.cc
+++ b/src/transfer_function.cc
@@ -42,7 +42,6 @@
using std::make_pair;
-using std::map;
using std::pair;
using std::pow;
using std::shared_ptr;