diff --git a/lib/reader/src/parser.rs b/lib/reader/src/parser.rs
index 3f607f1d15..ee04728213 100644
--- a/lib/reader/src/parser.rs
+++ b/lib/reader/src/parser.rs
@@ -206,7 +206,7 @@ impl<'a> Context<'a> {
     }
 
     // Resolve a reference to a table.
-    fn check_table(&self, table: Table, loc: &Location) -> ParseResult<()> {
+    fn check_table(&self, table: Table, loc: Location) -> ParseResult<()> {
         if !self.map.contains_table(table) {
             err!(loc, "undefined table {}", table)
         } else {
@@ -2249,7 +2249,7 @@ impl<'a> Parser<'a> {
             }
             InstructionFormat::TableAddr => {
                 let table = self.match_table("expected table identifier")?;
-                ctx.check_table(table, &self.loc)?;
+                ctx.check_table(table, self.loc)?;
                 self.match_token(Token::Comma, "expected ',' between operands")?;
                 let arg = self.match_value("expected SSA value table address")?;
                 self.match_token(Token::Comma, "expected ',' between operands")?;
diff --git a/lib/serde/src/serde_clif_json.rs b/lib/serde/src/serde_clif_json.rs
index 52fdc6fca1..7ad03df646 100644
--- a/lib/serde/src/serde_clif_json.rs
+++ b/lib/serde/src/serde_clif_json.rs
@@ -706,9 +706,9 @@ pub fn populate_inst(func: &Function, ebb: Ebb) -> Vec<SerInst> {
 }
 
 /// Translating Ebb parameters into serializable parameters.
-pub fn populate_params(func: &Function, ebb: &Ebb) -> Vec<String> {
+pub fn populate_params(func: &Function, ebb: Ebb) -> Vec<String> {
     let mut ser_vec: Vec<String> = Vec::new();
-    let parameters = func.dfg.ebb_params(*ebb);
+    let parameters = func.dfg.ebb_params(ebb);
     for param in parameters {
         ser_vec.push(param.to_string());
     }
@@ -727,7 +727,7 @@ pub fn populate_ebbs(func: &Function) -> Vec<SerEbb> {
     let mut ebb_vec: Vec<SerEbb> = Vec::new();
     for ebb in func.layout.ebbs() {
         let mut ser_ebb: SerEbb = SerEbb::new(ebb.to_string());
-        ser_ebb.params = populate_params(&func, &ebb);
+        ser_ebb.params = populate_params(&func, ebb);
         ser_ebb.insts = populate_inst(&func, ebb);
         ebb_vec.push(ser_ebb);
     }