diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4e44dafa35..d34a414e48 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -254,7 +254,7 @@ endif()
 # if changing these flags, also update GCCWARN/GXXWARN in make/make.project
 set(ADD_C_AND_CXX_FLAGS -pedantic -Wall -W -Wpointer-arith -Wcast-align -Wwrite-strings -Wshadow  -Wredundant-decls -Wdisabled-optimization -Wno-long-long -Wno-unknown-pragmas -Wno-unused-parameter)
 set(ADD_C_FLAGS -Wsign-compare -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -Wno-override-init -Wno-uninitialized -Wno-maybe-uninitialized)
-set(ADD_CXX_FLAGS -Wctor-dtor-privacy -Wnon-virtual-dtor -Wreorder -Woverloaded-virtual -Wsign-promo -Wsynth -Wcast-qual -Wno-strict-overflow -Wno-psabi)
+set(ADD_CXX_FLAGS -Wnon-virtual-dtor -Wreorder -Woverloaded-virtual -Wsign-promo -Wsynth -Wcast-qual -Wno-strict-overflow -Wno-psabi)
 
 if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
 # clang specific suppressions
diff --git a/make/make.project b/make/make.project
index 51fa59c27f..bfbb13d1be 100644
--- a/make/make.project
+++ b/make/make.project
@@ -244,7 +244,7 @@ GXXWARN = -pedantic -Wall -W
 GCCWARN += -Wpointer-arith -Wcast-align -Wwrite-strings -Wshadow -Wredundant-decls -Wdisabled-optimization \
            -Wsign-compare -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes
 GXXWARN += -Wpointer-arith -Wcast-align -Wwrite-strings -Wshadow -Wredundant-decls -Wdisabled-optimization \
-           -Wctor-dtor-privacy -Wnon-virtual-dtor -Wreorder -Woverloaded-virtual -Wsign-promo -Wsynth -Wcast-qual
+           -Wnon-virtual-dtor -Wreorder -Woverloaded-virtual -Wsign-promo -Wsynth -Wcast-qual
 
 # disable some warning that would be too much effort to fix, disfigure the code, or produce too many false positive
 GCCWARN += -Wno-long-long -Wno-unknown-pragmas -Wno-unused-parameter -Wno-override-init -Wno-uninitialized -Wno-maybe-uninitialized