diff --git a/Source/ThirdParty/libsysprof-capture/CMakeLists.txt b/Source/ThirdParty/libsysprof-capture/CMakeLists.txt
index 7ea8f0469ad7..13a9e390643a 100644
--- a/Source/ThirdParty/libsysprof-capture/CMakeLists.txt
+++ b/Source/ThirdParty/libsysprof-capture/CMakeLists.txt
@@ -46,6 +46,7 @@ target_link_libraries(SysProfCapture
 
 WEBKIT_ADD_TARGET_C_FLAGS(SysProfCapture
     -Wno-implicit-function-declaration
+    -Wno-int-conversion
     -Wno-sign-compare
     -Wno-unused-parameter
 )
diff --git a/Source/cmake/WebKitCompilerFlags.cmake b/Source/cmake/WebKitCompilerFlags.cmake
index f5ec0a55919b..cf307eac2775 100644
--- a/Source/cmake/WebKitCompilerFlags.cmake
+++ b/Source/cmake/WebKitCompilerFlags.cmake
@@ -184,8 +184,7 @@ if (COMPILER_IS_GCC_OR_CLANG)
                                          -Wno-misleading-indentation
                                          -Wno-psabi)
 
-    # GCC < 12.0 gives false warnings for mismatched-new-delete <https://webkit.org/b/241516>
-    if ((CMAKE_CXX_COMPILER_ID MATCHES "GNU") AND (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "12.0.0"))
+    if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
         WEBKIT_PREPEND_GLOBAL_COMPILER_FLAGS(-Wno-mismatched-new-delete)
         WEBKIT_PREPEND_GLOBAL_COMPILER_FLAGS(-Wno-uninitialized)
     endif ()