diff --git a/toolkit/crashreporter/google-breakpad/src/client/linux/handler/moz.build b/toolkit/crashreporter/google-breakpad/src/client/linux/handler/moz.build
index 6a8a5b88871..df594a7385e 100644
--- a/toolkit/crashreporter/google-breakpad/src/client/linux/handler/moz.build
+++ b/toolkit/crashreporter/google-breakpad/src/client/linux/handler/moz.build
@@ -10,8 +10,6 @@ UNIFIED_SOURCES += [
     'minidump_descriptor.cc',
 ]
 
-XPI_NAME = 'crashreporter'
-
 FINAL_LIBRARY = 'xul'
 
 if CONFIG['OS_TARGET'] == 'Android':
diff --git a/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/moz.build b/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/moz.build
index 461c88ea526..9b3a6013369 100644
--- a/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/moz.build
+++ b/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/moz.build
@@ -10,8 +10,6 @@ UNIFIED_SOURCES += [
     'minidump_writer.cc',
 ]
 
-XPI_NAME = 'crashreporter'
-
 FINAL_LIBRARY = 'xul'
 
 if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'gonk':
diff --git a/toolkit/crashreporter/google-breakpad/src/client/mac/crash_generation/moz.build b/toolkit/crashreporter/google-breakpad/src/client/mac/crash_generation/moz.build
index de20f38c325..107285a10f8 100644
--- a/toolkit/crashreporter/google-breakpad/src/client/mac/crash_generation/moz.build
+++ b/toolkit/crashreporter/google-breakpad/src/client/mac/crash_generation/moz.build
@@ -9,8 +9,6 @@ UNIFIED_SOURCES += [
     'crash_generation_server.cc',
 ]
 
-XPI_NAME = 'crashreporter'
-
 FINAL_LIBRARY = 'xul'
 
 LOCAL_INCLUDES += [
diff --git a/toolkit/crashreporter/google-breakpad/src/client/mac/handler/moz.build b/toolkit/crashreporter/google-breakpad/src/client/mac/handler/moz.build
index 62cfe0ae479..430585051a8 100644
--- a/toolkit/crashreporter/google-breakpad/src/client/mac/handler/moz.build
+++ b/toolkit/crashreporter/google-breakpad/src/client/mac/handler/moz.build
@@ -11,8 +11,6 @@ UNIFIED_SOURCES += [
     'minidump_generator.cc',
 ]
 
-XPI_NAME = 'crashreporter'
-
 FINAL_LIBRARY = 'xul'
 
 LOCAL_INCLUDES += [
diff --git a/toolkit/crashreporter/google-breakpad/src/client/moz.build b/toolkit/crashreporter/google-breakpad/src/client/moz.build
index 1d32e0f943f..c05f40134ef 100644
--- a/toolkit/crashreporter/google-breakpad/src/client/moz.build
+++ b/toolkit/crashreporter/google-breakpad/src/client/moz.build
@@ -8,8 +8,6 @@ SOURCES += [
     'minidump_file_writer.cc',
 ]
 
-XPI_NAME = 'crashreporter'
-
 FINAL_LIBRARY = 'xul'
 
 LOCAL_INCLUDES += [
diff --git a/toolkit/crashreporter/google-breakpad/src/client/solaris/handler/moz.build b/toolkit/crashreporter/google-breakpad/src/client/solaris/handler/moz.build
index d0f109dd943..d380aea1fdf 100644
--- a/toolkit/crashreporter/google-breakpad/src/client/solaris/handler/moz.build
+++ b/toolkit/crashreporter/google-breakpad/src/client/solaris/handler/moz.build
@@ -10,8 +10,6 @@ SOURCES += [
     'solaris_lwp.cc',
 ]
 
-XPI_NAME = 'crashreporter'
-
 FINAL_LIBRARY = 'xul'
 
 LOCAL_INCLUDES += [