--- src_c/P2P/Makefile.orig	2026-03-29 11:38:03 UTC
+++ src_c/P2P/Makefile
@@ -33,7 +33,7 @@ BINARY:=IMB-P2P
 TARGET=P2P
 BINARY:=IMB-P2P
 
-override CFLAGS += -O3 -Wall -Wextra -Werror
+override CFLAGS += -Wall -Wextra -Werror
 override LDFLAGS += -lm
 
 ifeq ($(origin CC),default)