--- mupdf-1.11-source/Makerules
+++ mupdf-1.11-source/Makerules
@@ -23,7 +23,6 @@
 endif
 
 ifeq "$(build)" "debug"
-CFLAGS += -pipe -g
 LDFLAGS += -g
 else ifeq "$(build)" "release"
 CFLAGS += -pipe -O2 -DNDEBUG -fomit-frame-pointer