diff --git a/mediapipe/calculators/core/BUILD b/mediapipe/calculators/core/BUILD
index ff0a5d663..05b5934b5 100644
--- a/mediapipe/calculators/core/BUILD
+++ b/mediapipe/calculators/core/BUILD
@@ -214,7 +214,6 @@ cc_library(
         "//mediapipe/framework:collection_item_id",
         "//mediapipe/framework:packet",
         "//mediapipe/framework/formats:classification_cc_proto",
-        "//mediapipe/framework/formats:detection_cc_proto",
         "//mediapipe/framework/formats:landmark_cc_proto",
         "//mediapipe/framework/formats:rect_cc_proto",
         "//mediapipe/framework/port:integral_types",
@@ -222,6 +221,9 @@ cc_library(
         "//mediapipe/framework/port:status",
         "//mediapipe/util:render_data_cc_proto",
         "@org_tensorflow//tensorflow/lite:framework",
+        "//mediapipe/framework/port:opencv_core",
+        "//mediapipe/framework/port:opencv_imgproc",
+        "//mediapipe/framework/port:opencv_highgui",
     ],
     alwayslink = 1,
 )
@@ -1258,36 +1260,3 @@ cc_test(
         "@com_google_absl//absl/time",
     ],
 )
-
-cc_library(
-    name = "get_vector_item_calculator",
-    srcs = ["get_vector_item_calculator.cc"],
-    hdrs = ["get_vector_item_calculator.h"],
-    visibility = ["//visibility:public"],
-    deps = [
-        "//mediapipe/framework:calculator_framework",
-        "//mediapipe/framework:packet",
-        "//mediapipe/framework/api2:node",
-        "//mediapipe/framework/api2:port",
-        "//mediapipe/framework/formats:classification_cc_proto",
-        "//mediapipe/framework/formats:landmark_cc_proto",
-        "//mediapipe/framework/port:ret_check",
-        "//mediapipe/framework/port:status",
-    ],
-    alwayslink = 1,
-)
-
-cc_library(
-    name = "vector_size_calculator",
-    srcs = ["vector_size_calculator.cc"],
-    hdrs = ["vector_size_calculator.h"],
-    visibility = ["//visibility:public"],
-    deps = [
-        "//mediapipe/framework:calculator_framework",
-        "//mediapipe/framework/api2:node",
-        "//mediapipe/framework/formats:classification_cc_proto",
-        "//mediapipe/framework/formats:landmark_cc_proto",
-        "//mediapipe/framework/port:status",
-    ],
-    alwayslink = 1,
-)