diff --git a/codegen/Cargo.toml b/codegen/Cargo.toml
index e4b69a7e..1170ea08 100644
--- a/codegen/Cargo.toml
+++ b/codegen/Cargo.toml
@@ -12,7 +12,7 @@ license = "MIT OR Apache-2.0"
 proc-macro = true
 
 [dev-dependencies]
-rhai = { path = "..", version = "0.19.15" }
+rhai = { path = "..", version = "^0.19.15" }
 trybuild = "1"
 
 [dependencies]
diff --git a/codegen/tests/test_functions.rs b/codegen/tests/test_functions.rs
index 86def42e..9becd777 100644
--- a/codegen/tests/test_functions.rs
+++ b/codegen/tests/test_functions.rs
@@ -1,4 +1,3 @@
-use rhai::module_resolvers::*;
 use rhai::plugin::*;
 use rhai::{Engine, EvalAltResult, Module, FLOAT};
 
@@ -152,10 +151,8 @@ pub mod raw_returning_fn {
         y1: FLOAT,
         x2: FLOAT,
         y2: FLOAT,
-    ) -> Result<rhai::Dynamic, Box<rhai::EvalAltResult>> {
-        Ok(Dynamic::from(
-            ((y2 - y1).abs().powf(2.0) + (x2 - x1).abs().powf(2.0)).sqrt(),
-        ))
+    ) -> Result<rhai::FLOAT, Box<rhai::EvalAltResult>> {
+        Ok(((y2 - y1).abs().powf(2.0) + (x2 - x1).abs().powf(2.0)).sqrt())
     }
 }
 
diff --git a/codegen/tests/test_modules.rs b/codegen/tests/test_modules.rs
index 0e63dad7..98764d7e 100644
--- a/codegen/tests/test_modules.rs
+++ b/codegen/tests/test_modules.rs
@@ -1,4 +1,3 @@
-use rhai::module_resolvers::*;
 use rhai::{Array, Engine, EvalAltResult, FLOAT, INT};
 
 pub mod empty_module {
diff --git a/codegen/tests/test_nested.rs b/codegen/tests/test_nested.rs
index 62428282..ede543c1 100644
--- a/codegen/tests/test_nested.rs
+++ b/codegen/tests/test_nested.rs
@@ -1,5 +1,4 @@
-use rhai::module_resolvers::*;
-use rhai::{Array, Engine, EvalAltResult, FLOAT, INT};
+use rhai::{Array, Engine, EvalAltResult, FLOAT};
 
 pub mod one_fn_module_nested_attr {
     use rhai::plugin::*;
@@ -10,8 +9,8 @@ pub mod one_fn_module_nested_attr {
         use rhai::FLOAT;
 
         #[rhai_fn(return_raw)]
-        pub fn get_mystic_number() -> Result<Dynamic, Box<EvalAltResult>> {
-            Ok(Dynamic::from(42.0 as FLOAT))
+        pub fn get_mystic_number() -> Result<FLOAT, Box<EvalAltResult>> {
+            Ok(42.0)
         }
     }
 }
@@ -39,8 +38,8 @@ pub mod one_fn_sub_module_nested_attr {
             use rhai::plugin::*;
             use rhai::FLOAT;
             #[rhai_fn(return_raw)]
-            pub fn get_mystic_number() -> Result<Dynamic, Box<EvalAltResult>> {
-                Ok(Dynamic::from(42.0 as FLOAT))
+            pub fn get_mystic_number() -> Result<FLOAT, Box<EvalAltResult>> {
+                Ok(42.0)
             }
         }
     }