diff --git a/Makefile b/Makefile
index be38ce6..aebbfb4 100644
--- a/Makefile
+++ b/Makefile
@@ -80,11 +80,9 @@ syn-test:
 doc-build: clean setup
 	nix-shell --run "make -C $(BUILD_DIR) doc-build DOC=$(DOC)"
 
-doc-view: $(BUILD_DIR)/document/$(DOC).pdf
+doc-view: doc-build
 	nix-shell --run "make -C $(BUILD_DIR) doc-view DOC=$(DOC)"
 
-$(BUILD_DIR)/document/$(DOC).pdf: doc-build
-
 .PHONY: all setup sim-build sim-run sim-waves sim-test fpga-build fpga-test doc-build doc-view
 
 clean: