Index: lld/ELF/Driver.cpp
===================================================================
--- lld/ELF/Driver.cpp
+++ lld/ELF/Driver.cpp
@@ -593,8 +593,7 @@
 
   if (config->timeTraceEnabled) {
     checkError(timeTraceProfilerWrite(
-        args.getLastArgValue(OPT_time_trace_file_eq).str(),
-        config->outputFile));
+        args.getLastArgValue(OPT_time_trace_eq).str(), config->outputFile));
     timeTraceProfilerCleanup();
   }
 }
@@ -1184,7 +1183,7 @@
       getOldNewOptions(args, OPT_thinlto_prefix_replace_eq);
   config->thinLTOModulesToCompile =
       args::getStrings(args, OPT_thinlto_single_module_eq);
-  config->timeTraceEnabled = args.hasArg(OPT_time_trace);
+  config->timeTraceEnabled = args.hasArg(OPT_time_trace, OPT_time_trace_eq);
   config->timeTraceGranularity =
       args::getInteger(args, OPT_time_trace_granularity, 500);
   config->trace = args.hasArg(OPT_trace);
Index: lld/ELF/Options.td
===================================================================
--- lld/ELF/Options.td
+++ lld/ELF/Options.td
@@ -408,8 +408,9 @@
          "Number of threads. '1' disables multi-threading. By default all "
          "available hardware threads are used">;
 
-def time_trace: FF<"time-trace">, HelpText<"Record time trace">;
-def time_trace_file_eq: JJ<"time-trace-file=">, HelpText<"Specify time trace output file">;
+def time_trace: FF<"time-trace">, HelpText<"Record time trace to file next to output">;
+def time_trace_eq: JJ<"time-trace=">, MetaVarName<"<file>">,
+  HelpText<"Record time trace to <file>">;
 
 defm time_trace_granularity: EEq<"time-trace-granularity",
   "Minimum time granularity (in microseconds) traced by time profiler">;
Index: lld/MachO/Driver.cpp
===================================================================
--- lld/MachO/Driver.cpp
+++ lld/MachO/Driver.cpp
@@ -1494,8 +1494,7 @@
 
   config->progName = argsArr[0];
 
-  config->timeTraceEnabled = args.hasArg(
-      OPT_time_trace, OPT_time_trace_granularity_eq, OPT_time_trace_file_eq);
+  config->timeTraceEnabled = args.hasArg(OPT_time_trace, OPT_time_trace_eq);
   config->timeTraceGranularity =
       args::getInteger(args, OPT_time_trace_granularity_eq, 500);
 
@@ -1631,8 +1630,7 @@
 
   if (config->timeTraceEnabled) {
     checkError(timeTraceProfilerWrite(
-        args.getLastArgValue(OPT_time_trace_file_eq).str(),
-        config->outputFile));
+        args.getLastArgValue(OPT_time_trace_eq).str(), config->outputFile));
 
     timeTraceProfilerCleanup();
   }
Index: lld/MachO/Options.td
===================================================================
--- lld/MachO/Options.td
+++ lld/MachO/Options.td
@@ -43,14 +43,16 @@
 def no_lto_legacy_pass_manager : Flag<["--"], "no-lto-legacy-pass-manager">,
     HelpText<"Use the new pass manager in LLVM">,
     Group<grp_lld>;
-def time_trace: Flag<["--"], "time-trace">, HelpText<"Record time trace">,
+def time_trace: Flag<["--"], "time-trace">,
+    HelpText<"Record time trace to file next to output">,
+    Group<grp_lld>;
+def time_trace_eq: Joined<["--"], "time-trace=">,
+    HelpText<"Record time trace to <file>">,
+    MetaVarName<"<file>">,
     Group<grp_lld>;
 def time_trace_granularity_eq: Joined<["--"], "time-trace-granularity=">,
     HelpText<"Minimum time granularity (in microseconds) traced by time profiler">,
     Group<grp_lld>;
-def time_trace_file_eq: Joined<["--"], "time-trace-file=">,
-    HelpText<"Specify time trace output file">,
-    Group<grp_lld>;
 def deduplicate_literals: Flag<["--"], "deduplicate-literals">,
     HelpText<"Enable literal deduplication. This is implied by --icf={safe,all}">,
     Group<grp_lld>;
Index: lld/test/ELF/time-trace.s
===================================================================
--- lld/test/ELF/time-trace.s
+++ lld/test/ELF/time-trace.s
@@ -8,13 +8,13 @@
 # RUN:   | FileCheck %s
 
 # Test specified trace file name
-# RUN: ld.lld --time-trace --time-trace-file=%t2.json --time-trace-granularity=0 -o %t2.elf %t.o
+# RUN: ld.lld --time-trace=%t2.json --time-trace-granularity=0 -o %t2.elf %t.o
 # RUN: cat %t2.json \
 # RUN:   | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
 # RUN:   | FileCheck %s
 
 # Test trace requested to stdout
-# RUN: ld.lld --time-trace --time-trace-file=- --time-trace-granularity=0 -o %t3.elf %t.o \
+# RUN: ld.lld --time-trace=- --time-trace-granularity=0 -o %t3.elf %t.o \
 # RUN:   | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
 # RUN:   | FileCheck %s
 
Index: lld/test/MachO/time-trace.s
===================================================================
--- lld/test/MachO/time-trace.s
+++ lld/test/MachO/time-trace.s
@@ -11,14 +11,14 @@
 # RUN:   | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
 # RUN:   | FileCheck %s
 
-## Test specified trace file name, also test that `--time-trace` is not needed if the other two are used.
-# RUN: %lld --time-trace-file=%t2.json --time-trace-granularity=0 -o %t2.macho %t.o
+## Test specified trace file name.
+# RUN: %lld --time-trace=%t2.json --time-trace-granularity=0 -o %t2.macho %t.o
 # RUN: cat %t2.json \
 # RUN:   | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
 # RUN:   | FileCheck %s
 
-## Test trace requested to stdout, also test that `--time-trace` is not needed if the other two are used.
-# RUN: %lld --time-trace-file=- --time-trace-granularity=0 -o %t3.macho %t.o \
+## Test trace requested to stdout.
+# RUN: %lld --time-trace=- --time-trace-granularity=0 -o %t3.macho %t.o \
 # RUN:   | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
 # RUN:   | FileCheck %s