diff --git a/crates/compilers/src/artifact_output/mod.rs b/crates/compilers/src/artifact_output/mod.rs
index f2c8fba57..c565f9a33 100644
--- a/crates/compilers/src/artifact_output/mod.rs
+++ b/crates/compilers/src/artifact_output/mod.rs
@@ -305,7 +305,7 @@ impl<T> Artifacts<T> {
         &self,
     ) -> impl Iterator<Item = (ArtifactId, &T)> + '_ {
         self.0.iter().flat_map(|(source, contract_artifacts)| {
-            contract_artifacts.iter().flat_map(move |(_contract_name, artifacts)| {
+            contract_artifacts.values().flat_map(move |artifacts| {
                 artifacts.iter().filter_map(move |artifact| {
                     O::contract_name(&artifact.file).map(|name| {
                         (
@@ -331,7 +331,7 @@ impl<T> Artifacts<T> {
         self,
     ) -> impl Iterator<Item = (ArtifactId, T)> {
         self.0.into_iter().flat_map(|(source, contract_artifacts)| {
-            contract_artifacts.into_iter().flat_map(move |(_contract_name, artifacts)| {
+            contract_artifacts.into_values().flat_map(move |artifacts| {
                 let source = source.clone();
                 artifacts.into_iter().filter_map(move |artifact| {
                     O::contract_name(&artifact.file).map(|name| {
diff --git a/deny.toml b/deny.toml
index 0d53d22a6..0063507b5 100644
--- a/deny.toml
+++ b/deny.toml
@@ -23,36 +23,15 @@ allow = [
     "BSD-2-Clause",
     "BSD-3-Clause",
     "ISC",
-    "Unicode-DFS-2016",
+    "OpenSSL",
     "Unicode-3.0",
     "Unlicense",
     "MPL-2.0",
     "Zlib",
     "BSL-1.0",
-    # https://github.com/briansmith/ring/issues/902
-    "LicenseRef-ring",
-    # https://github.com/briansmith/webpki/issues/148
-    "LicenseRef-webpki",
     "CDLA-Permissive-2.0",
 ]
 
-exceptions = [
-    # CC0 is a permissive license but somewhat unclear status for source code
-    # so we prefer to not have dependencies using it
-    # https://tldrlegal.com/license/creative-commons-cc0-1.0-universal
-    { allow = ["CC0-1.0"], name = "tiny-keccak" },
-]
-
-[[licenses.clarify]]
-name = "ring"
-expression = "LicenseRef-ring"
-license-files = [{ path = "LICENSE", hash = 0xbd0eed23 }]
-
-[[licenses.clarify]]
-name = "webpki"
-expression = "LicenseRef-webpki"
-license-files = [{ path = "LICENSE", hash = 0x001c7e6c }]
-
 [sources]
 unknown-registry = "deny"
 unknown-git = "deny"