diff --git a/platform/ios/ios.xcodeproj/project.pbxproj b/platform/ios/ios.xcodeproj/project.pbxproj
index 3820f9970..80f73adbb 100644
--- a/platform/ios/ios.xcodeproj/project.pbxproj
+++ b/platform/ios/ios.xcodeproj/project.pbxproj
@@ -1587,7 +1587,6 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				OTHER_CPLUSPLUSFLAGS = (
 					"$(OTHER_CFLAGS)",
-					"$(boost_cflags)",
 					"$(sqlite_cflags)",
 					"$(zlib_cflags)",
 					"$(rapidjson_cflags)",
@@ -1627,7 +1626,6 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				OTHER_CPLUSPLUSFLAGS = (
 					"$(OTHER_CFLAGS)",
-					"$(boost_cflags)",
 					"$(sqlite_cflags)",
 					"$(zlib_cflags)",
 					"$(rapidjson_cflags)",
@@ -1680,7 +1678,6 @@
 				);
 				OTHER_CPLUSPLUSFLAGS = (
 					"$(OTHER_CFLAGS)",
-					"$(boost_cflags)",
 					"$(sqlite_cflags)",
 					"$(zlib_cflags)",
 					"$(rapidjson_cflags)",
@@ -1710,7 +1707,6 @@
 				);
 				OTHER_CPLUSPLUSFLAGS = (
 					"$(OTHER_CFLAGS)",
-					"$(boost_cflags)",
 					"$(sqlite_cflags)",
 					"$(zlib_cflags)",
 					"$(rapidjson_cflags)",
diff --git a/platform/osx/osx.xcodeproj/project.pbxproj b/platform/osx/osx.xcodeproj/project.pbxproj
index 4a74f352f..1174d5ef4 100644
--- a/platform/osx/osx.xcodeproj/project.pbxproj
+++ b/platform/osx/osx.xcodeproj/project.pbxproj
@@ -940,7 +940,6 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/Frameworks";
 				OTHER_CPLUSPLUSFLAGS = (
 					"$(OTHER_CFLAGS)",
-					"$(boost_cflags)",
 					"$(zlib_cflags)",
 					"$(rapidjson_cflags)",
 					"$(variant_cflags)",
@@ -979,7 +978,6 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/Frameworks";
 				OTHER_CPLUSPLUSFLAGS = (
 					"$(OTHER_CFLAGS)",
-					"$(boost_cflags)",
 					"$(zlib_cflags)",
 					"$(rapidjson_cflags)",
 					"$(variant_cflags)",