diff --git a/src/tensora/iteration_graph/identifiable_expression/_extract_context.py b/src/tensora/iteration_graph/identifiable_expression/_extract_context.py
index 315984d..9d044d7 100644
--- a/src/tensora/iteration_graph/identifiable_expression/_extract_context.py
+++ b/src/tensora/iteration_graph/identifiable_expression/_extract_context.py
@@ -16,7 +16,6 @@ class Context:
     sparse_leaves: list[TensorLayer] = field(default_factory=list)
     dense_leaves: list[TensorLayer] = field(default_factory=list)
     indexes: frozenset[str] = frozenset()
-    has_output: bool = False
     has_assemble: bool = False
 
     def add(self, other: Context) -> Context:
@@ -25,7 +24,6 @@ def add(self, other: Context) -> Context:
             sparse_leaves=self.sparse_leaves + other.sparse_leaves,
             dense_leaves=self.dense_leaves + other.dense_leaves,
             indexes=self.indexes | other.indexes,
-            has_output=self.has_output or other.has_output,
             has_assemble=self.has_assemble or other.has_assemble,
         )
 
@@ -35,7 +33,6 @@ def multiply(self, other: Context) -> Context:
             sparse_leaves=self.sparse_leaves + other.sparse_leaves,
             dense_leaves=self.dense_leaves + other.dense_leaves,
             indexes=self.indexes | other.indexes,
-            has_output=self.has_output or other.has_output,
             has_assemble=self.has_assemble or other.has_assemble,
         )
 
diff --git a/src/tensora/iteration_graph/iteration_graph.py b/src/tensora/iteration_graph/iteration_graph.py
index 23c9a50..c9c022d 100644
--- a/src/tensora/iteration_graph/iteration_graph.py
+++ b/src/tensora/iteration_graph/iteration_graph.py
@@ -34,10 +34,6 @@ def compressed_dimensions(self) -> StableFrozenSet[str]:
     def later_indexes(self) -> frozenset[str]:
         raise NotImplementedError()
 
-    @abstractmethod
-    def has_output(self) -> bool:
-        raise NotImplementedError()
-
 
 @dataclass(frozen=True)
 class TerminalNode(IterationGraph):
@@ -59,9 +55,6 @@ def compressed_dimensions(self) -> StableFrozenSet[str]:
     def later_indexes(self) -> frozenset[str]:
         return frozenset()
 
-    def has_output(self) -> bool:
-        return False
-
 
 @dataclass(frozen=True)
 class IterationNode(IterationGraph):
@@ -78,7 +71,6 @@ def extract_context(self, index: str) -> Context:
         return replace(
             next_context,
             indexes=next_context.indexes | frozenset([self.index_variable]),
-            has_output=next_context.has_output or self.output is not None,
             has_assemble=next_context.has_assemble or self.is_sparse_output(),
         )
 
@@ -99,18 +91,12 @@ def dense_leaves(self) -> list[TensorLayer]:
     def is_sparse_input(self) -> bool:
         return self.context.is_sparse
 
-    def is_dense_output(self) -> bool:
-        return self.output is not None and self.output.mode == Mode.dense
-
     def is_sparse_output(self) -> bool:
         return self.output is not None and self.output.mode == Mode.compressed
 
     def later_indexes(self) -> frozenset[str]:
         return self.context.indexes
 
-    def has_output(self) -> bool:
-        return self.context.has_output
-
     def has_assemble(self) -> bool:
         return self.context.has_assemble
 
@@ -149,6 +135,3 @@ def compressed_dimensions(self) -> StableFrozenSet[str]:
 
     def later_indexes(self) -> frozenset[str]:
         return frozenset.union(*(term.later_indexes() for term in self.terms))
-
-    def has_output(self) -> bool:
-        return any(term.has_output() for term in self.terms)