vpr: Clean-up unused parameter warnings
diff --git a/vpr/src/base/vpr_api.cpp b/vpr/src/base/vpr_api.cpp
index 6d13058..c4c152d 100644
--- a/vpr/src/base/vpr_api.cpp
+++ b/vpr/src/base/vpr_api.cpp
@@ -844,7 +844,7 @@
     }
 }
 
-void vpr_close_graphics(const t_vpr_setup& vpr_setup) {
+void vpr_close_graphics(const t_vpr_setup& /*vpr_setup*/) {
     /* Close down X Display */
     free_draw_structs();
 }
diff --git a/vpr/src/draw/draw.cpp b/vpr/src/draw/draw.cpp
index 2d3149d..5a81cb3 100644
--- a/vpr/src/draw/draw.cpp
+++ b/vpr/src/draw/draw.cpp
@@ -2338,7 +2338,6 @@
  */
 static bool highlight_rr_nodes(float x, float y) {
     t_draw_state* draw_state = get_draw_state_vars();
-    auto& device_ctx = g_vpr_ctx.device();
 
     char message[250] = "";