diff --git a/six/modules/c++/six.sicd/CMakeLists.txt b/six/modules/c++/six.sicd/CMakeLists.txt
index 5034b0d61..31373160e 100644
--- a/six/modules/c++/six.sicd/CMakeLists.txt
+++ b/six/modules/c++/six.sicd/CMakeLists.txt
@@ -9,7 +9,6 @@ coda_add_module(
         source/ComplexDataBuilder.cpp
         source/ComplexToAMP8IPHS8I.cpp
         source/ComplexToAMP8IPHS8I_unseq.cpp
-        source/ComplexToAMP8IPHS8I_simd.cpp
         source/ComplexXMLControl.cpp
         source/ComplexXMLParser.cpp
         source/ComplexXMLParser040.cpp