--- lib-src/allegro/Makefile.in
+++ lib-src/allegro/Makefile.in
@@ -3,7 +3,6 @@
 CCC = @CXX@
 srcdir=@srcdir@
 
-CFLAGS = -g -O
 CPPOBJ = \
 	allegro.cpp.o \
 	allegrord.cpp.o \
--- lib-src/libnyquist/Makefile.in
+++ lib-src/libnyquist/Makefile.in
@@ -6,7 +6,7 @@
 INCL = -Inyqsrc -Itran -Ixlisp -Icmt -Isys -Isnd -Ifft
 
 CC = @CC@
-override CFLAGS += -g -DCMTSTUFF -O2 -DEXT $(INCL)
+CFLAGS += -DCMTSTUFF -DEXT $(INCL)
 LN = $(CC)
 LFLAGS = -lm
 
--- lib-src/libnyquist/misc/Makefile
+++ lib-src/libnyquist/misc/Makefile
@@ -9,7 +9,7 @@
 
 # the unix path gets us switches.h:
 # the cmt path gets us swlogic.h:
-CFLAGS = -g -I../sys -I../cmt
+CFLAGS += -I../sys -I../cmt
 
 # Directory info:
 BINPATH = .