diff --git a/litex/build/efinix/common.py b/litex/build/efinix/common.py
index c863a48c6f..f43afb0c6a 100644
--- a/litex/build/efinix/common.py
+++ b/litex/build/efinix/common.py
@@ -480,7 +480,7 @@ def lower(dr):
     DifferentialOutput     : EfinixDifferentialOutput,
     DifferentialInput      : EfinixDifferentialInput,
     SDROutput              : EfinixSDROutput,
-    SDRInput               : EfinixSDRInput,
+    #SDRInput               : EfinixSDRInput, # FIXME: Naming/Excluded IO isuse?
     SDRTristate            : EfinixSDRTristate,
     DDROutput              : EfinixDDROutput,
     DDRInput               : EfinixDDRInput,