diff --git a/src/libs/vdxf/libdxfrw/drw_interface.h b/src/libs/vdxf/libdxfrw/drw_interface.h
index d18cb5afd..b0de89012 100644
--- a/src/libs/vdxf/libdxfrw/drw_interface.h
+++ b/src/libs/vdxf/libdxfrw/drw_interface.h
@@ -62,9 +62,6 @@ public:
     /** Called for every point */
     virtual void addPoint(const DRW_Point &) { }
 
-    /** Called for every ASTM notch */
-    virtual void addASTMNotch(const DRW_ASTMNotch &) { }
-
     /** Called for every line */
     virtual void addLine(const DRW_Line &) { }
 
diff --git a/src/libs/vdxf/libdxfrw/libdxfrw.cpp b/src/libs/vdxf/libdxfrw/libdxfrw.cpp
index e807179a4..3f74513ba 100644
--- a/src/libs/vdxf/libdxfrw/libdxfrw.cpp
+++ b/src/libs/vdxf/libdxfrw/libdxfrw.cpp
@@ -2369,28 +2369,6 @@ bool dxfRW::processPoint() {
     return true;
 }
 
-bool dxfRW::processASTMNotch()
-{
-    DRW_DBG("dxfRW::processASTMNotch\n");
-    int code;
-    DRW_ASTMNotch notch;
-    while (reader->readRec(&code)) {
-        DRW_DBG(code); DRW_DBG("\n");
-        switch (code) {
-        case 0: {
-            nextentity = reader->getString();
-            DRW_DBG(nextentity); DRW_DBG("\n");
-            iface->addASTMNotch(notch);
-            return true;  //found new entity or ENDSEC, terminate
-        }
-        default:
-            notch.parseCode(code, reader);
-            break;
-        }
-    }
-    return true;
-}
-
 bool dxfRW::processLine() {
     DRW_DBG("dxfRW::processLine\n");
     int code;
diff --git a/src/libs/vdxf/libdxfrw/libdxfrw.h b/src/libs/vdxf/libdxfrw/libdxfrw.h
index 234f14b4a..fa20baced 100644
--- a/src/libs/vdxf/libdxfrw/libdxfrw.h
+++ b/src/libs/vdxf/libdxfrw/libdxfrw.h
@@ -91,7 +91,6 @@ private:
     bool processAppId();
 
     bool processPoint();
-    bool processASTMNotch();
     bool processLine();
     bool processRay();
     bool processXline();