diff --git a/search/MakeTimingModel.cc b/search/MakeTimingModel.cc
index 9a20abea..cc90b22e 100644
--- a/search/MakeTimingModel.cc
+++ b/search/MakeTimingModel.cc
@@ -136,12 +136,7 @@ MakeTimingModel::makeLibrary()
 {
   library_ = network_->makeLibertyLibrary(lib_name_, filename_);
   LibertyLibrary *default_lib = network_->defaultLibertyLibrary();
-  *library_->units()->timeUnit() = *default_lib->units()->timeUnit();
-  *library_->units()->capacitanceUnit() = *default_lib->units()->capacitanceUnit();
-  *library_->units()->voltageUnit() = *default_lib->units()->voltageUnit();
-  *library_->units()->resistanceUnit() = *default_lib->units()->resistanceUnit();
-  *library_->units()->powerUnit() = *default_lib->units()->powerUnit();
-  *library_->units()->distanceUnit() = *default_lib->units()->distanceUnit();
+  *library_->units() = *default_lib->units();
 
   for (RiseFall *rf : RiseFall::range()) {
     library_->setInputThreshold(rf, default_lib->inputThreshold(rf));