diff --git a/doc/Doxyfile.extra.in b/doc/Doxyfile.extra.in
index 2d1578be3c59d3f9509f581df72d77001ef03c81..9ca64de3f434a2e125f080fe33b7d42657e5d5f8 100644
--- a/doc/Doxyfile.extra.in
+++ b/doc/Doxyfile.extra.in
@@ -1,6 +1,5 @@
 INPUT     = @CMAKE_SOURCE_DIR@/doc \
             @CMAKE_SOURCE_DIR@/include \
-            @CMAKE_SOURCE_DIR@/src/steering-method/cross-state-optimization/function.cc \
             @CMAKE_BINARY_DIR@/doc
 
 HTML_EXTRA_FILES = @CMAKE_SOURCE_DIR@/doc/ObjectManipulation_MasterThesis_JosephMirabel.pdf