diff --git a/aes-32bit/Makefile b/aes-32bit/Makefile
index 443f977..424cce8 100644
--- a/aes-32bit/Makefile
+++ b/aes-32bit/Makefile
@@ -1,4 +1,4 @@
-CPPFLAGS = -g -Ofast
+CPPFLAGS ?= -Ofast
 
 BUILD_DIR = bin
 
diff --git a/aes-tboxes/Makefile b/aes-tboxes/Makefile
index 443f977..f88ecef 100644
--- a/aes-tboxes/Makefile
+++ b/aes-tboxes/Makefile
@@ -1,4 +1,4 @@
-CPPFLAGS = -g -Ofast
+CPPFLAGS = -Ofast
 
 BUILD_DIR = bin