diff --git a/src/libslic3r/GCode.hpp b/src/libslic3r/GCode.hpp
index 01650b6eeb..e4eb6de1c4 100644
--- a/src/libslic3r/GCode.hpp
+++ b/src/libslic3r/GCode.hpp
@@ -16,9 +16,6 @@
 #include "GCode/SeamPlacer.hpp"
 #if ENABLE_GCODE_VIEWER
 #include "GCode/GCodeProcessor.hpp"
-#else
-#include "GCode/Analyzer.hpp"
-#include "GCodeTimeEstimator.hpp"
 #endif // ENABLE_GCODE_VIEWER
 #include "EdgeGrid.hpp"
 #include "GCode/ThumbnailData.hpp"
diff --git a/src/libslic3r/GCode/WipeTower.cpp b/src/libslic3r/GCode/WipeTower.cpp
index 8bb441786f..d8c77a8353 100644
--- a/src/libslic3r/GCode/WipeTower.cpp
+++ b/src/libslic3r/GCode/WipeTower.cpp
@@ -7,8 +7,6 @@
 
 #if ENABLE_GCODE_VIEWER
 #include "GCodeProcessor.hpp"
-#else
-#include "Analyzer.hpp"
 #endif // ENABLE_GCODE_VIEWER
 #include "BoundingBox.hpp"
 
diff --git a/src/slic3r/GUI/3DScene.cpp b/src/slic3r/GUI/3DScene.cpp
index fc285e3356..7940565f4e 100644
--- a/src/slic3r/GUI/3DScene.cpp
+++ b/src/slic3r/GUI/3DScene.cpp
@@ -22,9 +22,6 @@
 #include "libslic3r/Print.hpp"
 #include "libslic3r/SLAPrint.hpp"
 #include "libslic3r/Slicing.hpp"
-#if !ENABLE_GCODE_VIEWER
-#include "libslic3r/GCode/Analyzer.hpp"
-#endif // !ENABLE_GCODE_VIEWER
 #include "slic3r/GUI/BitmapCache.hpp"
 #include "libslic3r/Format/STL.hpp"
 #include "libslic3r/Utils.hpp"