diff --git a/lld/MachO/Config.h b/lld/MachO/Config.h
--- a/lld/MachO/Config.h
+++ b/lld/MachO/Config.h
@@ -131,9 +131,6 @@
   bool omitDebugInfo = false;
   bool warnDylibInstallName = false;
   bool ignoreOptimizationHints = false;
-  // Temporary config flag that will be removed once we have fully implemented
-  // support for __eh_frame.
-  bool parseEhFrames = false;
   uint32_t headerPad;
   uint32_t dylibCompatibilityVersion = 0;
   uint32_t dylibCurrentVersion = 0;
diff --git a/lld/MachO/Driver.cpp b/lld/MachO/Driver.cpp
--- a/lld/MachO/Driver.cpp
+++ b/lld/MachO/Driver.cpp
@@ -1305,7 +1305,6 @@
   config->callGraphProfileSort = args.hasFlag(
       OPT_call_graph_profile_sort, OPT_no_call_graph_profile_sort, true);
   config->printSymbolOrder = args.getLastArgValue(OPT_print_symbol_order);
-  config->parseEhFrames = static_cast<bool>(getenv("LLD_IN_TEST"));
 
   // FIXME: Add a commandline flag for this too.
   config->zeroModTime = getenv("ZERO_AR_DATE");
diff --git a/lld/MachO/InputFiles.cpp b/lld/MachO/InputFiles.cpp
--- a/lld/MachO/InputFiles.cpp
+++ b/lld/MachO/InputFiles.cpp
@@ -347,7 +347,7 @@
       section.subsections.push_back({0, isec});
     } else if (auto recordSize = getRecordSize(segname, name)) {
       splitRecords(*recordSize);
-    } else if (config->parseEhFrames && name == section_names::ehFrame &&
+    } else if (name == section_names::ehFrame &&
                segname == segment_names::text) {
       splitEhFrames(data, *sections.back());
     } else if (segname == segment_names::llvm) {
@@ -1117,7 +1117,7 @@
   }
   if (compactUnwindSection)
     registerCompactUnwind(*compactUnwindSection);
-  if (config->parseEhFrames && ehFrameSection)
+  if (ehFrameSection)
     registerEhFrames(*ehFrameSection);
 }
 
diff --git a/lld/docs/ReleaseNotes.rst b/lld/docs/ReleaseNotes.rst
--- a/lld/docs/ReleaseNotes.rst
+++ b/lld/docs/ReleaseNotes.rst
@@ -65,7 +65,11 @@
 MachO Improvements
 ------------------
 
-* Item 1.
+* We now support proper relocation and pruning of EH frames. **Note:** this
+  comes at some performance overhead on x86_64 builds, and we recommend adding
+  the ``-femit-compact-unwind=no-compact-unwind`` compile flag to avoid it.
+  (`D129540 <https://reviews.llvm.org/D129540>`_,
+  `D122258 <https://reviews.llvm.org/D122258>`_)
 
 WebAssembly Improvements
 ------------------------