diff --git a/webrtc/base/BUILD.gn b/webrtc/base/BUILD.gn
index 6832650546..03bb205380 100644
--- a/webrtc/base/BUILD.gn
+++ b/webrtc/base/BUILD.gn
@@ -421,9 +421,7 @@ static_library("rtc_base") {
     if (is_posix) {
       sources += [
         "latebindingsymboltable.cc",
-        "latebindingsymboltable.cc.def",
         "latebindingsymboltable.h",
-        "latebindingsymboltable.h.def",
         "posix.cc",
         "posix.h",
       ]
diff --git a/webrtc/base/base.gyp b/webrtc/base/base.gyp
index 2da884fdd1..a5f0f7b44d 100644
--- a/webrtc/base/base.gyp
+++ b/webrtc/base/base.gyp
@@ -433,9 +433,7 @@
             ['os_posix==1', {
               'sources': [
                 'latebindingsymboltable.cc',
-                'latebindingsymboltable.cc.def',
                 'latebindingsymboltable.h',
-                'latebindingsymboltable.h.def',
                 'posix.cc',
                 'posix.h',
               ],