diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6ec260b..f4b7de8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -45,7 +45,6 @@ $<IF:$<CONFIG:Debug>,-Og,-fno-delete-null-pointer-checks -fno-strict-overflow -f
 -fstrict-flex-arrays=3
 -fstack-clash-protection -fstack-protector-strong
 -fPIE -pie
--fno-delete-null-pointer-checks -fno-strict-overflow -fno-strict-aliasing -ftrivial-auto-var-init=zero
 -Werror=implicit -Werror=incompatible-pointer-types -Werror=int-conversion
 )
 
@@ -59,7 +58,6 @@ $<IF:$<CONFIG:Debug>,-Og,-fno-delete-null-pointer-checks -fno-strict-overflow -f
 -Wl,-z,noexecstack
 -Wl,-z,relro -Wl,-z,now
 -fPIE -pie
--fno-delete-null-pointer-checks -fno-strict-overflow -fno-strict-aliasing -ftrivial-auto-var-init=zero
 -Werror=implicit -Werror=incompatible-pointer-types -Werror=int-conversion
 )
 
@@ -71,7 +69,6 @@ $<IF:$<CONFIG:Debug>,-Og,-fno-delete-null-pointer-checks -fno-strict-overflow -f
 -fstrict-flex-arrays=3
 -fstack-clash-protection -fstack-protector-strong
 -fPIE -pie
--fno-delete-null-pointer-checks -fno-strict-overflow -fno-strict-aliasing -ftrivial-auto-var-init=zero
 -Werror=implicit -Werror=incompatible-pointer-types -Werror=int-conversion
 )
 
@@ -85,6 +82,5 @@ $<IF:$<CONFIG:Debug>,-Og,-fno-delete-null-pointer-checks -fno-strict-overflow -f
 -Wl,-z,noexecstack
 -Wl,-z,relro -Wl,-z,now
 -fPIE -pie
--fno-delete-null-pointer-checks -fno-strict-overflow -fno-strict-aliasing -ftrivial-auto-var-init=zero
 -Werror=implicit -Werror=incompatible-pointer-types -Werror=int-conversion
 )