diff --git a/include/crypto/scatterwalk.h b/include/crypto/scatterwalk.h
index ccdb05f68a75..f2c42b4111b1 100644
--- a/include/crypto/scatterwalk.h
+++ b/include/crypto/scatterwalk.h
@@ -93,7 +93,6 @@ static inline void scatterwalk_done(struct scatter_walk *walk, int out,
 
 void scatterwalk_copychunks(void *buf, struct scatter_walk *walk,
 			    size_t nbytes, int out);
-void *scatterwalk_map(struct scatter_walk *walk);
 
 void scatterwalk_map_and_copy(void *buf, struct scatterlist *sg,
 			      unsigned int start, unsigned int nbytes, int out);