diff --git a/rs/crypto/internal/crypto_service_provider/src/builder/mod.rs b/rs/crypto/internal/crypto_service_provider/src/builder/mod.rs
deleted file mode 100644
index 03feb92d80c..00000000000
--- a/rs/crypto/internal/crypto_service_provider/src/builder/mod.rs
+++ /dev/null
@@ -1,76 +0,0 @@
-use super::*;
-
-pub struct CspBuilder {
-    vault: Box<dyn FnOnce() -> Arc<dyn CspVault>>,
-    logger: ReplicaLogger,
-    metrics: Arc<CryptoMetrics>,
-}
-
-impl CspBuilder {
-    pub fn with_vault<I: IntoVaultArc + 'static>(self, vault: I) -> CspBuilder {
-        CspBuilder {
-            vault: Box::new(|| vault.into()),
-            logger: self.logger,
-            metrics: self.metrics,
-        }
-    }
-
-    pub fn build(self) -> Csp {
-        Csp {
-            csp_vault: (self.vault)(),
-            logger: self.logger,
-            metrics: self.metrics,
-        }
-    }
-}
-
-impl Csp {
-    pub fn builder<I: IntoVaultArc + 'static>(
-        vault: I,
-        logger: ReplicaLogger,
-        metrics: Arc<CryptoMetrics>,
-    ) -> CspBuilder {
-        CspBuilder {
-            vault: Box::new(|| vault.into()),
-            logger,
-            metrics,
-        }
-    }
-}
-
-pub trait IntoVaultArc {
-    fn into(self) -> Arc<dyn CspVault>;
-}
-
-impl<V: CspVault + 'static> IntoVaultArc for Arc<V> {
-    fn into(self) -> Arc<dyn CspVault> {
-        self
-    }
-}
-
-impl<V: CspVault + 'static> IntoVaultArc for V {
-    fn into(self) -> Arc<dyn CspVault> {
-        Arc::new(self)
-    }
-}
-
-impl IntoVaultArc for Arc<dyn CspVault> {
-    fn into(self) -> Arc<dyn CspVault> {
-        self
-    }
-}
-
-#[cfg(test)]
-mod test_utils {
-    use super::*;
-
-    impl Csp {
-        pub fn builder_for_test() -> CspBuilder {
-            CspBuilder {
-                vault: Box::new(|| LocalCspVault::builder_for_test().build_into_arc()),
-                logger: no_op_logger(),
-                metrics: Arc::new(CryptoMetrics::none()),
-            }
-        }
-    }
-}
diff --git a/rs/crypto/internal/crypto_service_provider/src/builder_for_test/mod.rs b/rs/crypto/internal/crypto_service_provider/src/builder_for_test/mod.rs
new file mode 100644
index 00000000000..6df32e5289d
--- /dev/null
+++ b/rs/crypto/internal/crypto_service_provider/src/builder_for_test/mod.rs
@@ -0,0 +1,35 @@
+use super::*;
+
+pub struct CspBuilderForTest {
+    vault: Box<dyn FnOnce() -> Arc<dyn CspVault>>,
+    logger: ReplicaLogger,
+    metrics: Arc<CryptoMetrics>,
+}
+
+impl CspBuilderForTest {
+    pub fn with_vault<V: CspVault + 'static>(self, vault: V) -> Self {
+        Self {
+            vault: Box::new(|| Arc::new(vault)),
+            logger: self.logger,
+            metrics: self.metrics,
+        }
+    }
+
+    pub fn build(self) -> Csp {
+        Csp {
+            csp_vault: (self.vault)(),
+            logger: self.logger,
+            metrics: self.metrics,
+        }
+    }
+}
+
+impl Csp {
+    pub fn builder_for_test() -> CspBuilderForTest {
+        CspBuilderForTest {
+            vault: Box::new(|| LocalCspVault::builder_for_test().build_into_arc()),
+            logger: no_op_logger(),
+            metrics: Arc::new(CryptoMetrics::none()),
+        }
+    }
+}
diff --git a/rs/crypto/internal/crypto_service_provider/src/lib.rs b/rs/crypto/internal/crypto_service_provider/src/lib.rs
index 3b4a715014f..77ea96489b7 100644
--- a/rs/crypto/internal/crypto_service_provider/src/lib.rs
+++ b/rs/crypto/internal/crypto_service_provider/src/lib.rs
@@ -5,7 +5,8 @@
 //! Interface for the cryptographic service provider
 
 pub mod api;
-pub mod builder;
+#[cfg(test)]
+pub mod builder_for_test;
 pub mod canister_threshold;
 #[cfg(test)]
 pub mod imported_test_utils;
@@ -156,7 +157,7 @@ impl Csp {
     /// # Panics
     /// Panics if the `config`'s vault type is `UnixSocket` and
     /// `tokio_runtime_handle` is `None`.
-    pub fn new(
+    pub fn new_from_config(
         config: &CryptoConfig,
         tokio_runtime_handle: Option<tokio::runtime::Handle>,
         logger: Option<ReplicaLogger>,
@@ -169,7 +170,19 @@ impl Csp {
             new_logger!(&logger),
             Arc::clone(&metrics),
         );
-        Csp::builder(vault, logger, metrics).build()
+        Self::new_from_vault(vault, logger, metrics)
+    }
+
+    pub fn new_from_vault(
+        vault: Arc<dyn CspVault>,
+        logger: ReplicaLogger,
+        metrics: Arc<CryptoMetrics>,
+    ) -> Self {
+        Csp {
+            csp_vault: vault,
+            logger,
+            metrics,
+        }
     }
 }
 
diff --git a/rs/crypto/node_key_generation/src/lib.rs b/rs/crypto/node_key_generation/src/lib.rs
index 709b189c6a6..ab5ae6d9f61 100644
--- a/rs/crypto/node_key_generation/src/lib.rs
+++ b/rs/crypto/node_key_generation/src/lib.rs
@@ -190,7 +190,7 @@ fn csp_for_config(
     config: &CryptoConfig,
     tokio_runtime_handle: Option<tokio::runtime::Handle>,
 ) -> Csp {
-    Csp::new(
+    Csp::new_from_config(
         config,
         tokio_runtime_handle,
         None,
diff --git a/rs/crypto/src/lib.rs b/rs/crypto/src/lib.rs
index 9ccb4bcb5e7..28a35331c10 100644
--- a/rs/crypto/src/lib.rs
+++ b/rs/crypto/src/lib.rs
@@ -197,12 +197,11 @@ impl CryptoComponentImpl<Csp> {
             new_logger!(&logger),
             Arc::clone(&metrics),
         );
-        let csp = Csp::builder(
+        let csp = Csp::new_from_vault(
             Arc::clone(&vault),
             new_logger!(&logger),
             Arc::clone(&metrics),
-        )
-        .build();
+        );
         let node_pks = csp
             .current_node_public_keys()
             .expect("Failed to retrieve node public keys");
diff --git a/rs/crypto/temp_crypto/src/lib.rs b/rs/crypto/temp_crypto/src/lib.rs
index bf1d45feaf7..13b47a702f3 100644
--- a/rs/crypto/temp_crypto/src/lib.rs
+++ b/rs/crypto/temp_crypto/src/lib.rs
@@ -282,23 +282,23 @@ pub mod internal {
             });
 
             let csp = if let Some(env) = &opt_remote_vault_environment {
-                Csp::builder(
-                    env.new_vault_client_builder()
-                        .with_logger(new_logger!(logger))
-                        .with_metrics(Arc::clone(&metrics))
-                        .build()
-                        .expect("Failed to build a vault client"),
+                let vault_client = env
+                    .new_vault_client_builder()
+                    .with_logger(new_logger!(logger))
+                    .with_metrics(Arc::clone(&metrics))
+                    .build()
+                    .expect("Failed to build a vault client");
+                Csp::new_from_vault(
+                    Arc::new(vault_client),
                     new_logger!(logger),
                     Arc::clone(&metrics),
                 )
-                .build()
             } else {
-                Csp::builder(
-                    Arc::clone(&local_vault),
+                Csp::new_from_vault(
+                    Arc::clone(&local_vault) as _,
                     new_logger!(logger),
                     Arc::clone(&metrics),
                 )
-                .build()
             };
 
             let node_keys_to_generate = self
diff --git a/rs/crypto/tests/request_id_signatures.rs b/rs/crypto/tests/request_id_signatures.rs
index 32d3c3067e5..87594bfeda7 100644
--- a/rs/crypto/tests/request_id_signatures.rs
+++ b/rs/crypto/tests/request_id_signatures.rs
@@ -409,7 +409,7 @@ fn ecdsa_secp256k1_signature_and_public_key<R: Rng + CryptoRng>(
 fn crypto_component(config: &CryptoConfig) -> CryptoComponent {
     let dummy_registry = FakeRegistryClient::new(Arc::new(ProtoRegistryDataProvider::new()));
 
-    let csp = Csp::new(config, None, None, Arc::new(CryptoMetrics::none()));
+    let csp = Csp::new_from_config(config, None, None, Arc::new(CryptoMetrics::none()));
     ic_crypto_node_key_generation::generate_node_signing_keys(&csp);
 
     CryptoComponent::new(config, None, Arc::new(dummy_registry), no_op_logger(), None)
diff --git a/rs/crypto/tests/webauthn_signatures.rs b/rs/crypto/tests/webauthn_signatures.rs
index 6edc7498fe4..7cb48157e0d 100644
--- a/rs/crypto/tests/webauthn_signatures.rs
+++ b/rs/crypto/tests/webauthn_signatures.rs
@@ -151,7 +151,7 @@ fn rsa_verification_data(
 fn crypto_component(config: &CryptoConfig) -> CryptoComponent {
     let dummy_registry = FakeRegistryClient::new(Arc::new(ProtoRegistryDataProvider::new()));
 
-    let csp = Csp::new(config, None, None, Arc::new(CryptoMetrics::none()));
+    let csp = Csp::new_from_config(config, None, None, Arc::new(CryptoMetrics::none()));
     ic_crypto_node_key_generation::generate_node_signing_keys(&csp);
 
     CryptoComponent::new(config, None, Arc::new(dummy_registry), no_op_logger(), None)