diff --git a/BUILD.gn b/BUILD.gn
index 4cbc314..68ba9c2 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -26,7 +26,6 @@
   if (is_fuchsia_tree) {
     include_dirs += [
       "//sdk/lib/syslog/cpp",
-      "//sdk/lib/syslog/cpp:backend_legacy",
       "//zircon/system/ulib/syslog/include",
     ]
   }
@@ -51,10 +50,7 @@
   ]
 
   if (is_fuchsia_tree) {
-    deps += [
-      "//sdk/lib/syslog/cpp:backend_legacy",
-      "//src/lib/fxl/test:gtest_main",
-    ]
+    deps += [ "//src/lib/fxl/test:gtest_main" ]
   } else {
     deps += [ "//third_party/googletest:gtest_main" ]
   }
diff --git a/keys/BUILD.gn b/keys/BUILD.gn
index fa7d082..de99594 100644
--- a/keys/BUILD.gn
+++ b/keys/BUILD.gn
@@ -38,10 +38,6 @@
     "//build/config:no_exceptions",
     "//build/config:no_rtti",
   ]
-
-  if (is_fuchsia_tree) {
-    deps += [ "//sdk/lib/syslog/cpp:backend_legacy" ]
-  }
 }
 
 group("tests") {
diff --git a/src/BUILD.gn b/src/BUILD.gn
index 36793f7..f7599c7 100644
--- a/src/BUILD.gn
+++ b/src/BUILD.gn
@@ -26,10 +26,7 @@
   sources = [ "logging.h" ]
 
   if (is_fuchsia_tree) {
-    public_deps = [
-      "//sdk/lib/syslog/cpp",
-      "//sdk/lib/syslog/cpp:backend_legacy",
-    ]
+    public_deps = [ "//sdk/lib/syslog/cpp" ]
   } else {
     public_deps = [ "//third_party/glog" ]
   }
diff --git a/src/algorithms/rappor/BUILD.gn b/src/algorithms/rappor/BUILD.gn
index 1ce1a54..d0751c2 100644
--- a/src/algorithms/rappor/BUILD.gn
+++ b/src/algorithms/rappor/BUILD.gn
@@ -97,10 +97,7 @@
     "//third_party/googletest:gtest",
   ]
   if (is_fuchsia_tree) {
-    deps += [
-      "//sdk/lib/syslog/cpp:backend_legacy",
-      "//src/lib/fxl/test:gtest_main",
-    ]
+    deps += [ "//src/lib/fxl/test:gtest_main" ]
   } else {
     deps += [ "//third_party/googletest:gtest_main" ]
   }
diff --git a/src/bin/test_app/BUILD.gn b/src/bin/test_app/BUILD.gn
index 9195c4b..ca208df 100644
--- a/src/bin/test_app/BUILD.gn
+++ b/src/bin/test_app/BUILD.gn
@@ -13,10 +13,6 @@
     ":lib",
     "$cobalt_root/src/pb",
   ]
-
-  if (is_fuchsia_tree) {
-    deps += [ "//sdk/lib/syslog/cpp:backend_legacy" ]
-  }
 }
 
 source_set("lib") {
diff --git a/src/lib/util/BUILD.gn b/src/lib/util/BUILD.gn
index dfe1277..bb0f171 100644
--- a/src/lib/util/BUILD.gn
+++ b/src/lib/util/BUILD.gn
@@ -146,10 +146,6 @@
     "//third_party/abseil-cpp/absl/strings",
     "//third_party/googletest:gtest",
   ]
-
-  if (is_fuchsia_tree) {
-    deps += [ "//sdk/lib/syslog/cpp:backend_legacy" ]
-  }
 }
 
 copy("file_util_test_files") {