--- Makefile.am.orig	2023-07-30 11:59:40 UTC
+++ Makefile.am
@@ -1,5 +1,5 @@
 warningflags = -Wall -Wextra -Wno-unused-parameter -Wno-unused-function -Wno-ignored-attributes
-commoncflags = -O3 -fvisibility=hidden $(warningflags) -I$(srcdir)/include $(DEBUGCFLAGS) $(MFLAGS) $(UNICODECFLAGS) $(STACKREALIGN)
+commoncflags = -fvisibility=hidden $(warningflags) -I$(srcdir)/include $(DEBUGCFLAGS) $(MFLAGS) $(UNICODECFLAGS) $(STACKREALIGN)
 AM_CXXFLAGS = -std=c++17 $(commoncflags)
 AM_CFLAGS = -std=c99 $(commoncflags)
 ACLOCAL_AMFLAGS = -I m4