diff --git a/src/libslic3r/Format/AMF.cpp b/src/libslic3r/Format/AMF.cpp
index 0c21aa52a5..dd9c63ef00 100644
--- a/src/libslic3r/Format/AMF.cpp
+++ b/src/libslic3r/Format/AMF.cpp
@@ -57,7 +57,7 @@ namespace pt = boost::property_tree;
 // 3 : Added volumes' matrices and source data, meshes transformed back to their coordinate system on loading.
 // WARNING !! -> the version number has been rolled back to 2
 //               the next change should use 4
-const unsigned int VERSION_AMF = 2;
+// const unsigned int VERSION_AMF = 2; Commented-out after we removed AMF export.
 const unsigned int VERSION_AMF_COMPATIBLE = 3;
 const char* SLIC3RPE_AMF_VERSION = "slic3rpe_amf_version";
 
diff --git a/src/libslic3r/GCode/WipeTower.hpp b/src/libslic3r/GCode/WipeTower.hpp
index 461fe522ce..d060ab9b6f 100644
--- a/src/libslic3r/GCode/WipeTower.hpp
+++ b/src/libslic3r/GCode/WipeTower.hpp
@@ -284,7 +284,6 @@ private:
 	float  m_wipe_tower_cone_angle = 0.f;
     float  m_wipe_tower_brim_width      = 0.f; 	// Width of brim (mm) from config
     float  m_wipe_tower_brim_width_real = 0.f; 	// Width of brim (mm) after generation
-	float  m_wipe_tower_rotation_angle = 0.f; // Wipe tower rotation angle in degrees (with respect to x axis)
     float  m_internal_rotation  = 0.f;
 	float  m_y_shift			= 0.f;  // y shift passed to writer
 	float  m_z_pos 				= 0.f;  // Current Z position.