diff --git a/src/liblzma/lz/lz_decoder.c b/src/liblzma/lz/lz_decoder.c
index 4a62db76..06c95c11 100644
--- a/src/liblzma/lz/lz_decoder.c
+++ b/src/liblzma/lz/lz_decoder.c
@@ -302,17 +302,3 @@ lzma_lz_decoder_memusage(size_t dictionary_size)
 {
 	return sizeof(lzma_coder) + (uint64_t)(dictionary_size);
 }
-
-
-extern void
-lzma_lz_decoder_uncompressed(void *coder_ptr, lzma_vli uncompressed_size,
-		bool allow_eopm)
-{
-	lzma_coder *coder = coder_ptr;
-
-	if (uncompressed_size == LZMA_VLI_UNKNOWN)
-		allow_eopm = true;
-
-	coder->lz.set_uncompressed(coder->lz.coder, uncompressed_size,
-			allow_eopm);
-}
diff --git a/src/liblzma/lz/lz_decoder.h b/src/liblzma/lz/lz_decoder.h
index 8e68ac8a..ad80d4dd 100644
--- a/src/liblzma/lz/lz_decoder.h
+++ b/src/liblzma/lz/lz_decoder.h
@@ -93,9 +93,6 @@ extern lzma_ret lzma_lz_decoder_init(lzma_next_coder *next,
 
 extern uint64_t lzma_lz_decoder_memusage(size_t dictionary_size);
 
-extern void lzma_lz_decoder_uncompressed(
-		void *coder, lzma_vli uncompressed_size, bool allow_eopm);
-
 
 //////////////////////
 // Inline functions //