diff --git a/src/Makefile b/src/Makefile
index 058e921..a820b6a 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -3,7 +3,7 @@ PROGRAMS = \
 	../bin/fiemap \
 	../bin/fiewalk \
 
-all: $(PROGRAMS) depends.mk
+all: $(PROGRAMS)
 
 include ../makeflags
 
diff --git a/test/Makefile b/test/Makefile
index 533c6c8..e1ea18b 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -17,7 +17,7 @@ include ../makeflags
 LIBS = -lcrucible -lpthread
 LDFLAGS = -L../lib -Wl,-rpath=$(shell realpath ../lib)
 
-.depends/%.dep: %.cc
+.depends/%.dep: %.cc tests.h Makefile
 	@mkdir -p .depends
 	$(CXX) $(CXXFLAGS) -M -MF $@ -MT $(<:.cc=.o) $<