diff --git a/qwt/src/src.pri b/qwt/src/src.pri
index 74206f2a0..eb831ac01 100644
--- a/qwt/src/src.pri
+++ b/qwt/src/src.pri
@@ -77,7 +77,6 @@ SOURCES += \
     qwt_scale_div.cpp \
     qwt_scale_draw.cpp \
     qwt_scale_map.cpp \
-    qwt_scale_map_table.h \
     qwt_spline.cpp \
     qwt_scale_engine.cpp \
     qwt_symbol.cpp \