diff --git a/conf/nextpnr/environment.yml b/conf/nextpnr/environment.yml
index 791eca1b..49a365a0 100644
--- a/conf/nextpnr/environment.yml
+++ b/conf/nextpnr/environment.yml
@@ -5,7 +5,6 @@ channels:
 dependencies:
   - litex-hub::yosys
   - litex-hub::yosys-symbiflow-plugins
-  - litex-hub::vtr-optimized
   - litex-hub::nextpnr-ice40
   - litex-hub::nextpnr-nexus
   - litex-hub::nextpnr-fpga_interchange