diff --git a/tools/aconfig/Android.bp b/tools/aconfig/Android.bp
index 37be2dd..3433ff9 100644
--- a/tools/aconfig/Android.bp
+++ b/tools/aconfig/Android.bp
@@ -276,3 +276,21 @@
     ],
     test_suites: ["general-tests"],
 }
+
+rust_aconfig_library {
+    name: "libaconfig_test_rust_library_with_force_read_only_mode",
+    crate_name: "aconfig_test_rust_library",
+    aconfig_declarations: "aconfig.test.flags",
+    mode: "force-read-only",
+}
+
+rust_test {
+    name: "aconfig.force_read_only_mode.test.rust",
+    srcs: [
+        "tests/aconfig_force_read_only_mode_test.rs"
+    ],
+    rustlibs: [
+        "libaconfig_test_rust_library_with_force_read_only_mode",
+    ],
+    test_suites: ["general-tests"],
+}
diff --git a/tools/aconfig/src/codegen/rust.rs b/tools/aconfig/src/codegen/rust.rs
index 05c0128..8a88ffe 100644
--- a/tools/aconfig/src/codegen/rust.rs
+++ b/tools/aconfig/src/codegen/rust.rs
@@ -44,10 +44,10 @@
     template.add_template(
         "rust_code_gen",
         match codegen_mode {
-            CodegenMode::Production => include_str!("../../templates/rust_prod.template"),
             CodegenMode::Test => include_str!("../../templates/rust_test.template"),
-            CodegenMode::Exported => include_str!("../../templates/rust_exported.template"),
-            CodegenMode::ForceReadOnly => todo!(),
+            CodegenMode::Exported | CodegenMode::ForceReadOnly | CodegenMode::Production => {
+                include_str!("../../templates/rust.template")
+            }
         },
     )?;
     let contents = template.render("rust_code_gen", &context)?;
@@ -555,6 +555,84 @@
 }
 "#;
 
+    const FORCE_READ_ONLY_EXPECTED: &str = r#"
+//! codegenerated rust flag lib
+
+/// flag provider
+pub struct FlagProvider;
+
+impl FlagProvider {
+    /// query flag disabled_ro
+    pub fn disabled_ro(&self) -> bool {
+        false
+    }
+
+    /// query flag disabled_rw
+    pub fn disabled_rw(&self) -> bool {
+        false
+    }
+
+    /// query flag disabled_rw_in_other_namespace
+    pub fn disabled_rw_in_other_namespace(&self) -> bool {
+        false
+    }
+
+    /// query flag enabled_fixed_ro
+    pub fn enabled_fixed_ro(&self) -> bool {
+        true
+    }
+
+    /// query flag enabled_ro
+    pub fn enabled_ro(&self) -> bool {
+        true
+    }
+
+    /// query flag enabled_rw
+    pub fn enabled_rw(&self) -> bool {
+        true
+    }
+}
+
+/// flag provider
+pub static PROVIDER: FlagProvider = FlagProvider;
+
+/// query flag disabled_ro
+#[inline(always)]
+pub fn disabled_ro() -> bool {
+    false
+}
+
+/// query flag disabled_rw
+#[inline(always)]
+pub fn disabled_rw() -> bool {
+    false
+}
+
+/// query flag disabled_rw_in_other_namespace
+#[inline(always)]
+pub fn disabled_rw_in_other_namespace() -> bool {
+    false
+}
+
+/// query flag enabled_fixed_ro
+#[inline(always)]
+pub fn enabled_fixed_ro() -> bool {
+    true
+}
+
+/// query flag enabled_ro
+#[inline(always)]
+pub fn enabled_ro() -> bool {
+    true
+}
+
+/// query flag enabled_rw
+#[inline(always)]
+pub fn enabled_rw() -> bool {
+    true
+}
+"#;
+
     fn test_generate_rust_code(mode: CodegenMode) {
         let parsed_flags = crate::test::parse_test_flags();
         let modified_parsed_flags =
@@ -570,7 +648,7 @@
                     CodegenMode::Production => PROD_EXPECTED,
                     CodegenMode::Test => TEST_EXPECTED,
                     CodegenMode::Exported => EXPORTED_EXPECTED,
-                    codegen::CodegenMode::ForceReadOnly => todo!(),
+                    CodegenMode::ForceReadOnly => FORCE_READ_ONLY_EXPECTED,
                 },
                 &String::from_utf8(generated.contents).unwrap()
             )
@@ -591,4 +669,9 @@
     fn test_generate_rust_code_for_exported() {
         test_generate_rust_code(CodegenMode::Exported);
     }
+
+    #[test]
+    fn test_generate_rust_code_for_force_read_only() {
+        test_generate_rust_code(CodegenMode::ForceReadOnly);
+    }
 }
diff --git a/tools/aconfig/templates/rust_prod.template b/tools/aconfig/templates/rust.template
similarity index 100%
rename from tools/aconfig/templates/rust_prod.template
rename to tools/aconfig/templates/rust.template
diff --git a/tools/aconfig/templates/rust_exported.template b/tools/aconfig/templates/rust_exported.template
deleted file mode 100644
index 110f2d4..0000000
--- a/tools/aconfig/templates/rust_exported.template
+++ /dev/null
@@ -1,35 +0,0 @@
-//! codegenerated rust flag lib
-
-/// flag provider
-pub struct FlagProvider;
-
-lazy_static::lazy_static! \{
-{{ for flag in template_flags }}
-    /// flag value cache for {flag.name}
-    static ref CACHED_{flag.name}: bool = flags_rust::GetServerConfigurableFlag(
-        "aconfig_flags.{flag.device_config_namespace}",
-        "{flag.device_config_flag}",
-        "false") == "true";
-{{ endfor }}
-}
-
-impl FlagProvider \{
-{{ for flag in template_flags }}
-    /// query flag {flag.name}
-    pub fn {flag.name}(&self) -> bool \{
-        *CACHED_{flag.name}
-    }
-{{ endfor }}
-
-}
-
-/// flag provider
-pub static PROVIDER: FlagProvider = FlagProvider;
-
-{{ for flag in template_flags }}
-/// query flag {flag.name}
-#[inline(always)]
-pub fn {flag.name}() -> bool \{
-    PROVIDER.{flag.name}()
-}
-{{ endfor }}
diff --git a/tools/aconfig/tests/aconfig_force_read_only_mode_test.rs b/tools/aconfig/tests/aconfig_force_read_only_mode_test.rs
new file mode 100644
index 0000000..4f05e26
--- /dev/null
+++ b/tools/aconfig/tests/aconfig_force_read_only_mode_test.rs
@@ -0,0 +1,10 @@
+#[cfg(not(feature = "cargo"))]
+#[test]
+fn test_flags() {
+    assert!(!aconfig_test_rust_library::disabled_ro());
+    assert!(!aconfig_test_rust_library::disabled_rw());
+    assert!(!aconfig_test_rust_library::disabled_rw_in_other_namespace());
+    assert!(aconfig_test_rust_library::enabled_fixed_ro());
+    assert!(aconfig_test_rust_library::enabled_ro());
+    assert!(aconfig_test_rust_library::enabled_rw());
+}