diff --git a/fs_mgr/Android.bp b/fs_mgr/Android.bp
index cd64599..ac784b2 100644
--- a/fs_mgr/Android.bp
+++ b/fs_mgr/Android.bp
@@ -149,6 +149,14 @@
         darwin: {
             enabled: false,
         },
+        vendor: {
+            cflags: [
+                // Skipping entries in fstab should only be done in a system
+                // process as the config file is in /system_ext.
+                // Remove the op from the vendor variant.
+                "-DNO_SKIP_MOUNT",
+            ],
+        },
     },
     export_include_dirs: ["include_fstab"],
     header_libs: [
diff --git a/fs_mgr/fs_mgr_fstab.cpp b/fs_mgr/fs_mgr_fstab.cpp
index f333a85..54102ec 100644
--- a/fs_mgr/fs_mgr_fstab.cpp
+++ b/fs_mgr/fs_mgr_fstab.cpp
@@ -696,7 +696,9 @@
         TransformFstabForDsu(fstab, Split(lp_names, ","));
     }
 
+#ifndef NO_SKIP_MOUNT
     SkipMountingPartitions(fstab);
+#endif
     EnableMandatoryFlags(fstab);
 
     return true;
@@ -726,11 +728,14 @@
         return false;
     }
 
+#ifndef NO_SKIP_MOUNT
     SkipMountingPartitions(fstab);
+#endif
 
     return true;
 }
 
+#ifndef NO_SKIP_MOUNT
 // For GSI to skip mounting /product and /system_ext, until there are well-defined interfaces
 // between them and /system. Otherwise, the GSI flashed on /system might not be able to work with
 // device-specific /product and /system_ext. skip_mount.cfg belongs to system_ext partition because
@@ -762,6 +767,7 @@
 
     return true;
 }
+#endif
 
 // Loads the fstab file and combines with fstab entries passed in from device tree.
 bool ReadDefaultFstab(Fstab* fstab) {