diff --git a/src/com/xilinx/rapidwright/design/tools/LUTTools.java b/src/com/xilinx/rapidwright/design/tools/LUTTools.java
index b6985e493..7a8daed10 100644
--- a/src/com/xilinx/rapidwright/design/tools/LUTTools.java
+++ b/src/com/xilinx/rapidwright/design/tools/LUTTools.java
@@ -51,7 +51,6 @@
 import com.xilinx.rapidwright.device.Device;
 import com.xilinx.rapidwright.device.Node;
 import com.xilinx.rapidwright.device.PIP;
-import com.xilinx.rapidwright.device.Series;
 import com.xilinx.rapidwright.device.Site;
 import com.xilinx.rapidwright.device.SitePin;
 import com.xilinx.rapidwright.edif.EDIFCell;