diff --git a/jax/_src/interpreters/mlir.py b/jax/_src/interpreters/mlir.py
index 416c72b117e0..5cfaff6678ea 100644
--- a/jax/_src/interpreters/mlir.py
+++ b/jax/_src/interpreters/mlir.py
@@ -473,7 +473,6 @@ class ModuleContext:
 
   # Cached primitive lowerings.
   cached_primitive_lowerings: dict[Any, func_dialect.FuncOp]
-  cached_call_jaxpr_lowerings: dict[Any, func_dialect.FuncOp]
 
   lowering_parameters: LoweringParameters
 
@@ -498,8 +497,6 @@ def __init__(
       symbol_table: ir.SymbolTable | None = None,
       cached_primitive_lowerings: None | (dict[Any,
                                                 func_dialect.FuncOp]) = None,
-      cached_call_jaxpr_lowerings: None | (dict[Any,
-                                                 func_dialect.FuncOp]) = None,
       shape_poly_state = None):
 
     self.context = context or make_ir_context()
@@ -515,9 +512,6 @@ def __init__(
     self.channel_iterator = channel_iterator
     self.keepalives = keepalives
     self.host_callbacks = host_callbacks
-    self.cached_call_jaxpr_lowerings = ({}
-                                        if cached_call_jaxpr_lowerings is None
-                                        else cached_call_jaxpr_lowerings)
     self.shape_poly_state = (
       shape_poly_state or ShapePolyLoweringState((), tuple(platforms)))
     self.lowering_parameters = lowering_parameters
@@ -1646,12 +1640,12 @@ def _lower_jaxpr_to_fun_cached(ctx, fn_name, call_jaxpr, effects,
     # Cacheable.
     key = (fn_name, call_jaxpr.jaxpr, tuple(effects))
     try:
-      func_op = ctx.cached_call_jaxpr_lowerings[key]
+      func_op = ctx.cached_primitive_lowerings[key]
     except KeyError:
       func_op = lower_jaxpr_to_fun(
           ctx, fn_name, call_jaxpr, effects, arg_names=arg_names,
           result_names=result_names)
-      ctx.cached_call_jaxpr_lowerings[key] = func_op
+      ctx.cached_primitive_lowerings[key] = func_op
   else:
     func_op = lower_jaxpr_to_fun(
         ctx, fn_name, call_jaxpr, effects, arg_names=arg_names,