diff --git a/src/cargo/core/compiler/build_context/target_info.rs b/src/cargo/core/compiler/build_context/target_info.rs
index 926a1ca9664..254ed7fe5ac 100644
--- a/src/cargo/core/compiler/build_context/target_info.rs
+++ b/src/cargo/core/compiler/build_context/target_info.rs
@@ -42,6 +42,8 @@ pub struct TargetInfo {
 pub enum FileFlavor {
     /// Not a special file type.
     Normal,
+    /// Like `Normal`, but not directly executable
+    Auxiliary,
     /// Something you can link against (e.g., a library).
     Linkable { rmeta: bool },
     /// Piece of external debug information (e.g., `.dSYM`/`.pdb` file).
@@ -256,7 +258,7 @@ impl TargetInfo {
             ret.push(FileType {
                 suffix: ".wasm".to_string(),
                 prefix: prefix.clone(),
-                flavor: FileFlavor::Normal,
+                flavor: FileFlavor::Auxiliary,
                 should_replace_hyphens: true,
             })
         }
diff --git a/src/cargo/core/compiler/context/mod.rs b/src/cargo/core/compiler/context/mod.rs
index db5ea9eca17..2e1c4a25e2c 100644
--- a/src/cargo/core/compiler/context/mod.rs
+++ b/src/cargo/core/compiler/context/mod.rs
@@ -167,7 +167,8 @@ impl<'a, 'cfg> Context<'a, 'cfg> {
 
         for unit in units.iter() {
             for output in self.outputs(unit)?.iter() {
-                if output.flavor == FileFlavor::DebugInfo {
+                if output.flavor == FileFlavor::DebugInfo || output.flavor == FileFlavor::Auxiliary
+                {
                     continue;
                 }