diff --git a/libavfilter/vf_dblur.c b/libavfilter/vf_dblur.c
index cc127da73f..c4c37dec52 100644
--- a/libavfilter/vf_dblur.c
+++ b/libavfilter/vf_dblur.c
@@ -40,7 +40,6 @@ typedef struct DBlurContext {
     int planeheight[4];
     float *buffer;
     int nb_planes;
-    void (*horiz_slice)(float *buffer, int width, int height, int steps, float nu, float bscale);
 } DBlurContext;
 
 #define OFFSET(x) offsetof(DBlurContext, x)