diff --git a/web3_proxy/src/app/mod.rs b/web3_proxy/src/app/mod.rs
index 31be8201..b7e3814a 100644
--- a/web3_proxy/src/app/mod.rs
+++ b/web3_proxy/src/app/mod.rs
@@ -1633,6 +1633,16 @@ impl App {
                         method
                     )).into());
                 }
+                if method.starts_with("debug_") {
+                    // make sure its premium
+                    if !(self.config.free_subscriptions
+                        || web3_request.authorization.active_premium().await)
+                    {
+                        return Err(Web3ProxyError::AccessDenied(
+                            "debug methods require an active premium account".into(),
+                        ));
+                    }            
+                }
 
                 if web3_request.cache_mode.is_some() {
                     // don't cache anything larger than 16 MiB
diff --git a/web3_proxy/src/block_number.rs b/web3_proxy/src/block_number.rs
index 53166434..84e71d2b 100644
--- a/web3_proxy/src/block_number.rs
+++ b/web3_proxy/src/block_number.rs
@@ -469,6 +469,7 @@ impl CacheMode {
         }
     }
 
+    #[inline]
     pub fn cache_jsonrpc_errors(&self) -> bool {
         match self {
             Self::Never => false,
@@ -478,6 +479,7 @@ impl CacheMode {
         }
     }
 
+    #[inline]
     pub fn from_block(&self) -> Option<&BlockNumAndHash> {
         match self {
             Self::SuccessForever => None,
@@ -492,6 +494,7 @@ impl CacheMode {
         !matches!(self, Self::Never)
     }
 
+    #[inline]
     pub fn to_block(&self) -> Option<&BlockNumAndHash> {
         match self {
             Self::SuccessForever => None,
diff --git a/web3_proxy/src/jsonrpc/request_builder.rs b/web3_proxy/src/jsonrpc/request_builder.rs
index 610d42e2..af574f41 100644
--- a/web3_proxy/src/jsonrpc/request_builder.rs
+++ b/web3_proxy/src/jsonrpc/request_builder.rs
@@ -501,6 +501,7 @@ impl ValidatedRequest {
         self.cache_mode.to_block().map(|x| *x.num())
     }
 
+    #[inline]
     pub fn min_block_needed(&self) -> Option<U64> {
         if self.archive_request.load(atomic::Ordering::Relaxed) {
             Some(U64::zero())