diff --git a/lldb/source/Plugins/ObjectFile/PDB/ObjectFilePDB.cpp b/lldb/source/Plugins/ObjectFile/PDB/ObjectFilePDB.cpp
--- a/lldb/source/Plugins/ObjectFile/PDB/ObjectFilePDB.cpp
+++ b/lldb/source/Plugins/ObjectFile/PDB/ObjectFilePDB.cpp
@@ -137,8 +137,6 @@
   case PDB_Machine::x86:
     module_arch.SetTriple("i386-pc-windows");
     specs.Append(module_spec);
-    module_arch.SetTriple("i686-pc-windows");
-    specs.Append(module_spec);
     break;
   case PDB_Machine::ArmNT:
     module_arch.SetTriple("armv7-pc-windows");
diff --git a/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp b/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp
--- a/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp
+++ b/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp
@@ -337,9 +337,6 @@
     spec.SetTriple("i386-pc-windows");
     spec.GetTriple().setEnvironment(env);
     specs.Append(module_spec);
-    spec.SetTriple("i686-pc-windows");
-    spec.GetTriple().setEnvironment(env);
-    specs.Append(module_spec);
     break;
   case MachineArmNt:
     spec.SetTriple("armv7-pc-windows");
diff --git a/lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp b/lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp
--- a/lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp
+++ b/lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp
@@ -124,11 +124,9 @@
     if (spec.IsValid())
       m_supported_architectures.push_back(spec);
   };
-  AddArch(ArchSpec("i686-pc-windows"));
   AddArch(HostInfo::GetArchitecture(HostInfo::eArchKindDefault));
   AddArch(HostInfo::GetArchitecture(HostInfo::eArchKind32));
   AddArch(HostInfo::GetArchitecture(HostInfo::eArchKind64));
-  AddArch(ArchSpec("i386-pc-windows"));
 }
 
 Status PlatformWindows::ConnectRemote(Args &args) {
diff --git a/lldb/test/Shell/ObjectFile/PECOFF/settings-abi-i686.yaml b/lldb/test/Shell/ObjectFile/PECOFF/settings-abi-i686.yaml
--- a/lldb/test/Shell/ObjectFile/PECOFF/settings-abi-i686.yaml
+++ b/lldb/test/Shell/ObjectFile/PECOFF/settings-abi-i686.yaml
@@ -18,7 +18,7 @@
 # RUN:   FileCheck -DABI=gnu -DFILENAME=%basename_t.tmp %s
 
 # CHECK-LABEL: image list --triple --basename
-# CHECK-NEXT: i686-pc-windows-[[ABI]] [[FILENAME]]
+# CHECK-NEXT: i386-pc-windows-[[ABI]] [[FILENAME]]
 
 --- !COFF
 OptionalHeader: