diff --git a/src/lang/iterable/index.fnk b/src/lang/iterable/index.fnk
index c457359..e1ad2a9 100644
--- a/src/lang/iterable/index.fnk
+++ b/src/lang/iterable/index.fnk
@@ -1,7 +1,7 @@
 {add, any} = import '../context'
 {transform_fold} = import './fold'
 {transform_unfold} = import './unfold'
-{transform_map, transform_flat_map} = import './map'
+{transform_map} = import './map'
 {transform_filter} = import './filter'
 {transform_while} = import './while'
 {transform_find} = import './find'
@@ -12,7 +12,6 @@ add_iterables = fn ctx:
     add:: any, 'fold', transform_fold
     add:: any, 'unfold', transform_unfold
     add:: any, 'map', transform_map
-    add:: any, 'flat_map', transform_flat_map
     add:: any, 'filter', transform_filter
     add:: any, 'while', transform_while
     add:: any, 'find', transform_find
diff --git a/src/lang/iterable/map.fnk b/src/lang/iterable/map.fnk
index 349b64a..736e3fd 100644
--- a/src/lang/iterable/map.fnk
+++ b/src/lang/iterable/map.fnk
@@ -5,7 +5,7 @@
 
 
 
-transform_any = fn flatten: fn node, ctx:
+transform_map = fn node, ctx:
   {transform, unique_ident} = ctx
 
   item = unique_ident:: 'item'
@@ -31,10 +31,4 @@ transform_any = fn flatten: fn node, ctx:
 
       yields::
         transform:: yield_value
-        flatten || last_is_spread
-
-
-transform_map = transform_any:: false
-
-
-transform_flat_map = transform_any:: true
+        last_is_spread
diff --git a/src/lang/iterable/map.test.fnk b/src/lang/iterable/map.test.fnk
index 7fd0818..b88e744 100644
--- a/src/lang/iterable/map.test.fnk
+++ b/src/lang/iterable/map.test.fnk
@@ -66,16 +66,6 @@ describe:: 'map', fn:
       `
       to_match_snapshot
 
-describe:: 'flat_map', fn:
-  it:: 'compiles', fn:
-    expect::
-      fink2js`
-        flat_map item: [spam + item]
-
-        flat_map item: [spam]
-      `
-      to_match_snapshot
-
 
 
 
diff --git a/src/lang/iterable/map.test.fnk.snap b/src/lang/iterable/map.test.fnk.snap
index 4bb0daf..538c352 100644
--- a/src/lang/iterable/map.test.fnk.snap
+++ b/src/lang/iterable/map.test.fnk.snap
@@ -1,23 +1,5 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`flat_map compiles 1`] = `
-"(function* map(ˆitems_2) {
-  for (const ˆitem_1 of ˆitems_2) {
-    const item = ˆitem_1;
-    yield* [spam + item];
-  }
-});
-
-(function* map(ˆitems_4) {
-  for (const ˆitem_3 of ˆitems_4) {
-    const item = ˆitem_3;
-    yield* [spam];
-  }
-});
-
-Object.assign(module.exports, {});"
-`;
-
 exports[`map compiles as flat map 1`] = `
 "(function* map(ˆitems_2) {
   for (const ˆitem_1 of ˆitems_2) {