diff --git a/setup.py b/setup.py
index bcd2cea..fc03c48 100755
--- a/setup.py
+++ b/setup.py
@@ -164,7 +164,6 @@ def _check_neon():
     "src/context-impl.cpp",
     "src/lsc.cpp",
     "src/lsc-builder.cpp",
-    "cfast_slic.pyx"
 ]