diff --git a/xs/src/libslic3r/TransformationMatrix.cpp b/xs/src/libslic3r/TransformationMatrix.cpp
index 279439e79..50d5273fb 100644
--- a/xs/src/libslic3r/TransformationMatrix.cpp
+++ b/xs/src/libslic3r/TransformationMatrix.cpp
@@ -123,25 +123,6 @@ void TransformationMatrix::translateXY(Slic3r::Pointf position)
     this->applyLeft(mat);
 }
 
-void TransformationMatrix::setTranslation(double x, double y, double z)
-{
-    this->m14 = x;
-    this->m24 = y;
-    this->m34 = z;
-}
-
-void TransformationMatrix::setXYtranslation(double x, double y)
-{
-    this->m14 = x;
-    this->m24 = y;
-}
-
-void TransformationMatrix::setXYtranslation(Slic3r::Pointf position)
-{
-    this->m14 = position.x;
-    this->m24 = position.y;
-}
-
 void TransformationMatrix::scale(double factor)
 {
     this->scale(factor, factor, factor);
diff --git a/xs/src/libslic3r/TransformationMatrix.hpp b/xs/src/libslic3r/TransformationMatrix.hpp
index 03d484331..8c80ef58e 100644
--- a/xs/src/libslic3r/TransformationMatrix.hpp
+++ b/xs/src/libslic3r/TransformationMatrix.hpp
@@ -39,16 +39,6 @@ public:
     void translate(double x, double y, double z);
     void translateXY(Slic3r::Pointf position);
 
-    /// Set translation vector directly
-    void setTranslation(double x, double y, double z);
-
-    /// Set X and Y components of translation directly
-    void setXYtranslation(double x, double y);
-    void setXYtranslation(Slic3r::Pointf position);
-
-    /// Set Z component of translation directly
-    void setZtranslation(double z);
-
     /// Perform uniform scale
     void scale(double factor);