diff --git a/src/function/eval.rs b/src/function/eval.rs
index 7ea880b..eda5348 100644
--- a/src/function/eval.rs
+++ b/src/function/eval.rs
@@ -368,10 +368,7 @@ mod tests {
             game_type: GameType::Oblivion,
             data_path,
             additional_data_paths,
-            active_plugins: active_plugins
-                .into_iter()
-                .map(|s| s.to_lowercase())
-                .collect(),
+            active_plugins: active_plugins.iter().map(|s| s.to_lowercase()).collect(),
             crc_cache: RwLock::default(),
             plugin_versions: plugin_versions
                 .iter()
@@ -413,7 +410,7 @@ mod tests {
 
         copy(
             Path::new("tests/testing-plugins/Oblivion/Data/Blank.esp"),
-            &state.data_path.join("Blank.esp.ghost"),
+            state.data_path.join("Blank.esp.ghost"),
         )
         .unwrap();
 
@@ -430,7 +427,7 @@ mod tests {
 
         copy(
             Path::new("Cargo.toml"),
-            &state.data_path.join("Cargo.toml.ghost"),
+            state.data_path.join("Cargo.toml.ghost"),
         )
         .unwrap();
 
@@ -482,7 +479,7 @@ mod tests {
 
         copy(
             Path::new("tests/testing-plugins/Oblivion/Data/Blank.esm"),
-            &state.data_path.join("Blank.esm.ghost"),
+            state.data_path.join("Blank.esm.ghost"),
         )
         .unwrap();
 
@@ -586,8 +583,7 @@ mod tests {
             .read_dir()
             .unwrap()
             .flat_map(|res| res.map(|e| e.file_name()).into_iter())
-            .find(|name| name == relative_path)
-            .is_some();
+            .any(|name| &name == relative_path);
 
         assert!(entry_exists);
 
@@ -734,12 +730,12 @@ mod tests {
 
         copy(
             Path::new("tests/testing-plugins/Oblivion/Data/Blank.esm"),
-            &state.data_path.join("Blank.esm.ghost"),
+            state.data_path.join("Blank.esm.ghost"),
         )
         .unwrap();
         copy(
             Path::new("tests/testing-plugins/Oblivion/Data/Blank.esp"),
-            &state.data_path.join("Blank.esp.ghost"),
+            state.data_path.join("Blank.esp.ghost"),
         )
         .unwrap();
 
@@ -824,7 +820,7 @@ mod tests {
 
         copy(
             Path::new("tests/testing-plugins/Oblivion/Data/Blank.esm"),
-            &state.data_path.join("Blank.esm.ghost"),
+            state.data_path.join("Blank.esm.ghost"),
         )
         .unwrap();
 
@@ -841,7 +837,7 @@ mod tests {
 
         copy(
             Path::new("tests/testing-plugins/Oblivion/Data/Blank.bsa"),
-            &state.data_path.join("Blank.bsa.ghost"),
+            state.data_path.join("Blank.bsa.ghost"),
         )
         .unwrap();
 
@@ -867,7 +863,7 @@ mod tests {
 
         copy(
             Path::new("tests/testing-plugins/Oblivion/Data/Blank.esm"),
-            &state.data_path.join("Blank.esm"),
+            state.data_path.join("Blank.esm"),
         )
         .unwrap();
 
@@ -878,7 +874,7 @@ mod tests {
         // Change the CRC of the file to test that the cached value is used.
         copy(
             Path::new("tests/testing-plugins/Oblivion/Data/Blank.bsa"),
-            &state.data_path.join("Blank.esm"),
+            state.data_path.join("Blank.esm"),
         )
         .unwrap();
 
@@ -893,13 +889,13 @@ mod tests {
         let data_path = tmp_dir.path().join("Data");
         let state = state(data_path);
 
-        copy(Path::new("Cargo.toml"), &state.data_path.join("Cargo.toml")).unwrap();
+        copy(Path::new("Cargo.toml"), state.data_path.join("Cargo.toml")).unwrap();
 
         let function = Function::FilePath(PathBuf::from("Cargo.toml"));
 
         assert!(function.eval(&state).unwrap());
 
-        remove_file(&state.data_path.join("Cargo.toml")).unwrap();
+        remove_file(state.data_path.join("Cargo.toml")).unwrap();
 
         assert!(function.eval(&state).unwrap());
     }
diff --git a/src/function/parse.rs b/src/function/parse.rs
index 3bcdce0..8663e4b 100644
--- a/src/function/parse.rs
+++ b/src/function/parse.rs
@@ -254,21 +254,21 @@ mod tests {
 
     #[test]
     fn parse_regex_should_produce_case_insensitive_regex() {
-        let (_, regex) = parse_regex("cargo.*".into()).unwrap();
+        let (_, regex) = parse_regex("cargo.*").unwrap();
 
         assert!(regex.is_match("Cargo.toml"));
     }
 
     #[test]
     fn parse_regex_should_produce_a_regex_that_does_not_partially_match() {
-        let (_, regex) = parse_regex("cargo.".into()).unwrap();
+        let (_, regex) = parse_regex("cargo.").unwrap();
 
         assert!(!regex.is_match("Cargo.toml"));
     }
 
     #[test]
     fn function_parse_should_parse_a_file_path_function() {
-        let output = Function::parse("file(\"Cargo.toml\")".into()).unwrap();
+        let output = Function::parse("file(\"Cargo.toml\")").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -279,12 +279,12 @@ mod tests {
 
     #[test]
     fn function_parse_should_error_if_the_file_path_is_outside_the_game_directory() {
-        assert!(Function::parse("file(\"../../Cargo.toml\")".into()).is_err());
+        assert!(Function::parse("file(\"../../Cargo.toml\")").is_err());
     }
 
     #[test]
     fn function_parse_should_parse_a_file_regex_function_with_no_parent_path() {
-        let output = Function::parse("file(\"Cargo.*\")".into()).unwrap();
+        let output = Function::parse("file(\"Cargo.*\")").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -298,7 +298,7 @@ mod tests {
 
     #[test]
     fn function_parse_should_parse_a_file_regex_function_with_a_parent_path() {
-        let output = Function::parse("file(\"subdir/Cargo.*\")".into()).unwrap();
+        let output = Function::parse("file(\"subdir/Cargo.*\")").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -312,17 +312,17 @@ mod tests {
 
     #[test]
     fn function_parse_should_error_if_given_a_file_regex_function_ending_in_a_forward_slash() {
-        assert!(Function::parse("file(\"sub\\dir/\")".into()).is_err());
+        assert!(Function::parse("file(\"sub\\dir/\")").is_err());
     }
 
     #[test]
     fn function_parse_should_error_if_the_file_regex_parent_path_is_outside_the_game_directory() {
-        assert!(Function::parse("file(\"../../Cargo.*\")".into()).is_err());
+        assert!(Function::parse("file(\"../../Cargo.*\")").is_err());
     }
 
     #[test]
     fn function_parse_should_parse_a_readable_function() {
-        let output = Function::parse("readable(\"Cargo.toml\")".into()).unwrap();
+        let output = Function::parse("readable(\"Cargo.toml\")").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -333,12 +333,12 @@ mod tests {
 
     #[test]
     fn function_parse_should_error_if_the_readable_path_is_outside_the_game_directory() {
-        assert!(Function::parse("readable(\"../../Cargo.toml\")".into()).is_err());
+        assert!(Function::parse("readable(\"../../Cargo.toml\")").is_err());
     }
 
     #[test]
     fn function_parse_should_parse_an_active_path_function() {
-        let output = Function::parse("active(\"Cargo.toml\")".into()).unwrap();
+        let output = Function::parse("active(\"Cargo.toml\")").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -351,12 +351,12 @@ mod tests {
     fn function_parse_should_error_if_the_active_path_is_outside_the_game_directory() {
         // Trying to check if a path that isn't a plugin in the data folder is
         // active is pointless, but it's not worth having a more specific check.
-        assert!(Function::parse("active(\"../../Cargo.toml\")".into()).is_err());
+        assert!(Function::parse("active(\"../../Cargo.toml\")").is_err());
     }
 
     #[test]
     fn function_parse_should_parse_an_active_regex_function() {
-        let output = Function::parse("active(\"Cargo.*\")".into()).unwrap();
+        let output = Function::parse("active(\"Cargo.*\")").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -369,7 +369,7 @@ mod tests {
 
     #[test]
     fn function_parse_should_parse_an_is_master_function() {
-        let output = Function::parse("is_master(\"Blank.esm\")".into()).unwrap();
+        let output = Function::parse("is_master(\"Blank.esm\")").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -382,12 +382,12 @@ mod tests {
     fn function_parse_should_error_if_the_is_master_path_is_outside_the_game_directory() {
         // Trying to check if a path that isn't a plugin in the data folder is
         // active is pointless, but it's not worth having a more specific check.
-        assert!(Function::parse("is_master(\"../../Blank.esm\")".into()).is_err());
+        assert!(Function::parse("is_master(\"../../Blank.esm\")").is_err());
     }
 
     #[test]
     fn function_parse_should_parse_a_many_function_with_no_parent_path() {
-        let output = Function::parse("many(\"Cargo.*\")".into()).unwrap();
+        let output = Function::parse("many(\"Cargo.*\")").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -401,7 +401,7 @@ mod tests {
 
     #[test]
     fn function_parse_should_parse_a_many_function_with_a_parent_path() {
-        let output = Function::parse("many(\"subdir/Cargo.*\")".into()).unwrap();
+        let output = Function::parse("many(\"subdir/Cargo.*\")").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -415,17 +415,17 @@ mod tests {
 
     #[test]
     fn function_parse_should_error_if_given_a_many_function_ending_in_a_forward_slash() {
-        assert!(Function::parse("many(\"subdir/\")".into()).is_err());
+        assert!(Function::parse("many(\"subdir/\")").is_err());
     }
 
     #[test]
     fn function_parse_should_error_if_the_many_parent_path_is_outside_the_game_directory() {
-        assert!(Function::parse("file(\"../../Cargo.*\")".into()).is_err());
+        assert!(Function::parse("file(\"../../Cargo.*\")").is_err());
     }
 
     #[test]
     fn function_parse_should_parse_a_many_active_function() {
-        let output = Function::parse("many_active(\"Cargo.*\")".into()).unwrap();
+        let output = Function::parse("many_active(\"Cargo.*\")").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -438,7 +438,7 @@ mod tests {
 
     #[test]
     fn function_parse_should_parse_a_checksum_function() {
-        let output = Function::parse("checksum(\"Cargo.toml\", DEADBEEF)".into()).unwrap();
+        let output = Function::parse("checksum(\"Cargo.toml\", DEADBEEF)").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -452,12 +452,12 @@ mod tests {
 
     #[test]
     fn function_parse_should_error_if_the_checksum_path_is_outside_the_game_directory() {
-        assert!(Function::parse("checksum(\"../../Cargo.toml\", DEADBEEF)".into()).is_err());
+        assert!(Function::parse("checksum(\"../../Cargo.toml\", DEADBEEF)").is_err());
     }
 
     #[test]
     fn function_parse_should_parse_a_version_equals_function() {
-        let output = Function::parse("version(\"Cargo.toml\", \"1.2\", ==)".into()).unwrap();
+        let output = Function::parse("version(\"Cargo.toml\", \"1.2\", ==)").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -472,7 +472,7 @@ mod tests {
 
     #[test]
     fn function_parse_should_parse_a_version_not_equals_function() {
-        let output = Function::parse("version(\"Cargo.toml\", \"1.2\", !=)".into()).unwrap();
+        let output = Function::parse("version(\"Cargo.toml\", \"1.2\", !=)").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -487,7 +487,7 @@ mod tests {
 
     #[test]
     fn function_parse_should_parse_a_version_less_than_function() {
-        let output = Function::parse("version(\"Cargo.toml\", \"1.2\", <)".into()).unwrap();
+        let output = Function::parse("version(\"Cargo.toml\", \"1.2\", <)").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -502,7 +502,7 @@ mod tests {
 
     #[test]
     fn function_parse_should_parse_a_version_greater_than_function() {
-        let output = Function::parse("version(\"Cargo.toml\", \"1.2\", >)".into()).unwrap();
+        let output = Function::parse("version(\"Cargo.toml\", \"1.2\", >)").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -517,7 +517,7 @@ mod tests {
 
     #[test]
     fn function_parse_should_parse_a_version_less_than_or_equal_to_function() {
-        let output = Function::parse("version(\"Cargo.toml\", \"1.2\", <=)".into()).unwrap();
+        let output = Function::parse("version(\"Cargo.toml\", \"1.2\", <=)").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -532,7 +532,7 @@ mod tests {
 
     #[test]
     fn function_parse_should_parse_a_version_greater_than_or_equal_to_function() {
-        let output = Function::parse("version(\"Cargo.toml\", \"1.2\", >=)".into()).unwrap();
+        let output = Function::parse("version(\"Cargo.toml\", \"1.2\", >=)").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -547,7 +547,7 @@ mod tests {
 
     #[test]
     fn function_parse_should_parse_a_version_with_a_path_containing_backslashes() {
-        let output = Function::parse("version(\"..\\Cargo.toml\", \"1.2\", ==)".into()).unwrap();
+        let output = Function::parse("version(\"..\\Cargo.toml\", \"1.2\", ==)").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -562,13 +562,12 @@ mod tests {
 
     #[test]
     fn function_parse_should_error_if_the_version_path_is_outside_the_game_directory() {
-        assert!(Function::parse("version(\"../../Cargo.toml\", \"1.2\", ==)".into()).is_err());
+        assert!(Function::parse("version(\"../../Cargo.toml\", \"1.2\", ==)").is_err());
     }
 
     #[test]
     fn function_parse_should_parse_a_product_version_equals_function() {
-        let output =
-            Function::parse("product_version(\"Cargo.toml\", \"1.2\", ==)".into()).unwrap();
+        let output = Function::parse("product_version(\"Cargo.toml\", \"1.2\", ==)").unwrap();
 
         assert!(output.0.is_empty());
         match output.1 {
@@ -583,8 +582,6 @@ mod tests {
 
     #[test]
     fn function_parse_should_error_if_the_product_version_path_is_outside_the_game_directory() {
-        assert!(
-            Function::parse("product_version(\"../../Cargo.toml\", \"1.2\", ==)".into()).is_err()
-        );
+        assert!(Function::parse("product_version(\"../../Cargo.toml\", \"1.2\", ==)").is_err());
     }
 }
diff --git a/src/lib.rs b/src/lib.rs
index 469b362..c8b9c5c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -408,9 +408,7 @@ mod tests {
 
     #[test]
     fn compound_condition_parse_should_handle_a_single_condition() {
-        let result = CompoundCondition::parse("file(\"Cargo.toml\")".into())
-            .unwrap()
-            .1;
+        let result = CompoundCondition::parse("file(\"Cargo.toml\")").unwrap().1;
 
         match result.0.as_slice() {
             [Condition::Function(Function::FilePath(f))] => {
@@ -425,10 +423,9 @@ mod tests {
 
     #[test]
     fn compound_condition_parse_should_handle_multiple_conditions() {
-        let result =
-            CompoundCondition::parse("file(\"Cargo.toml\") and file(\"README.md\")".into())
-                .unwrap()
-                .1;
+        let result = CompoundCondition::parse("file(\"Cargo.toml\") and file(\"README.md\")")
+            .unwrap()
+            .1;
 
         match result.0.as_slice() {
             [Condition::Function(Function::FilePath(f1)), Condition::Function(Function::FilePath(f2))] =>
@@ -445,7 +442,7 @@ mod tests {
 
     #[test]
     fn condition_parse_should_handle_a_function() {
-        let result = Condition::parse("file(\"Cargo.toml\")".into()).unwrap().1;
+        let result = Condition::parse("file(\"Cargo.toml\")").unwrap().1;
 
         match result {
             Condition::Function(Function::FilePath(f)) => {
@@ -460,9 +457,7 @@ mod tests {
 
     #[test]
     fn condition_parse_should_handle_an_inverted_function() {
-        let result = Condition::parse("not file(\"Cargo.toml\")".into())
-            .unwrap()
-            .1;
+        let result = Condition::parse("not file(\"Cargo.toml\")").unwrap().1;
 
         match result {
             Condition::InvertedFunction(Function::FilePath(f)) => {
@@ -477,9 +472,7 @@ mod tests {
 
     #[test]
     fn condition_parse_should_handle_an_expression_in_parentheses() {
-        let result = Condition::parse("(not file(\"Cargo.toml\"))".into())
-            .unwrap()
-            .1;
+        let result = Condition::parse("(not file(\"Cargo.toml\"))").unwrap().1;
 
         match result {
             Condition::Expression(_) => {}
@@ -492,9 +485,7 @@ mod tests {
 
     #[test]
     fn condition_parse_should_handle_an_expression_in_parentheses_with_whitespace() {
-        let result = Condition::parse("( not file(\"Cargo.toml\") )".into())
-            .unwrap()
-            .1;
+        let result = Condition::parse("( not file(\"Cargo.toml\") )").unwrap().1;
 
         match result {
             Condition::Expression(_) => {}
@@ -507,9 +498,7 @@ mod tests {
 
     #[test]
     fn condition_parse_should_handle_an_inverted_expression_in_parentheses() {
-        let result = Condition::parse("not(not file(\"Cargo.toml\"))".into())
-            .unwrap()
-            .1;
+        let result = Condition::parse("not(not file(\"Cargo.toml\"))").unwrap().1;
 
         match result {
             Condition::InvertedExpression(_) => {}
@@ -522,7 +511,7 @@ mod tests {
 
     #[test]
     fn condition_parse_should_handle_an_inverted_expression_in_parentheses_with_whitespace() {
-        let result = Condition::parse("not ( not file(\"Cargo.toml\") )".into())
+        let result = Condition::parse("not ( not file(\"Cargo.toml\") )")
             .unwrap()
             .1;