diff --git a/neuralnetworks/1.2/utils/Android.bp b/neuralnetworks/1.2/utils/Android.bp
index 57450d9..e7d514f 100644
--- a/neuralnetworks/1.2/utils/Android.bp
+++ b/neuralnetworks/1.2/utils/Android.bp
@@ -45,16 +45,6 @@
             cflags: ["-DNN_DEBUGGABLE"],
         },
     },
-    target: {
-        host: {
-            cflags: [
-                "-D__INTRODUCED_IN(x)=",
-                "-D__assert(a,b,c)=",
-                // We want all the APIs to be available on the host.
-                "-D__ANDROID_API__=10000",
-            ],
-        },
-    },
 }
 
 cc_test {
diff --git a/neuralnetworks/1.3/utils/Android.bp b/neuralnetworks/1.3/utils/Android.bp
index aa03fea..05413e6 100644
--- a/neuralnetworks/1.3/utils/Android.bp
+++ b/neuralnetworks/1.3/utils/Android.bp
@@ -42,16 +42,6 @@
         "neuralnetworks_utils_hal_1_1",
         "neuralnetworks_utils_hal_1_2",
     ],
-    target: {
-        host: {
-            cflags: [
-                "-D__INTRODUCED_IN(x)=",
-                "-D__assert(a,b,c)=",
-                // We want all the APIs to be available on the host.
-                "-D__ANDROID_API__=10000",
-            ],
-        },
-    },
 }
 
 cc_test {
diff --git a/neuralnetworks/aidl/utils/Android.bp b/neuralnetworks/aidl/utils/Android.bp
index 4d524ee..3258092 100644
--- a/neuralnetworks/aidl/utils/Android.bp
+++ b/neuralnetworks/aidl/utils/Android.bp
@@ -127,14 +127,6 @@
         android: {
             shared_libs: ["libnativewindow"],
         },
-        host: {
-            cflags: [
-                "-D__INTRODUCED_IN(x)=",
-                "-D__assert(a,b,c)=",
-                // We want all the APIs to be available on the host.
-                "-D__ANDROID_API__=10000",
-            ],
-        },
     },
     cflags: [
         /* GMOCK defines functions for printing all MOCK_DEVICE arguments and