diff --git a/include/sta/Sta.hh b/include/sta/Sta.hh
index 9707a1c4..a07192f1 100644
--- a/include/sta/Sta.hh
+++ b/include/sta/Sta.hh
@@ -118,8 +118,6 @@ public:
 				      Corner *corner,
 				      const MinMaxAll *min_max,
 				      bool infer_latches);
-  bool setMinLibrary(const char *min_filename,
-		     const char *max_filename);
   bool readVerilog(const char *filename);
   // Network readers call this to notify the Sta to delete any previously
   // linked network.
diff --git a/search/Sta.cc b/search/Sta.cc
index c9e632cf..d88c5a07 100644
--- a/search/Sta.cc
+++ b/search/Sta.cc
@@ -735,20 +735,6 @@ Sta::readLibertyAfter(LibertyLibrary *liberty,
 				network_, report_);
 }
 
-bool
-Sta::setMinLibrary(const char *min_filename,
-		   const char *max_filename)
-{
-  LibertyLibrary *max_lib = network_->findLibertyFilename(max_filename);
-  if (max_lib) {
-    LibertyLibrary *min_lib = readLibertyFile(min_filename, cmd_corner_,
-					      MinMaxAll::min(), false);
-    return min_lib != nullptr;
-  }
-  else
-    return false;
-}
-
 bool
 Sta::readVerilog(const char *filename)
 {