diff --git a/codegen/aws/core/src/main/java/software/amazon/smithy/python/aws/codegen/AwsRstDocFileGenerator.java b/codegen/aws/core/src/main/java/software/amazon/smithy/python/aws/codegen/AwsRstDocFileGenerator.java
index ec81cbdc7..0141801b3 100644
--- a/codegen/aws/core/src/main/java/software/amazon/smithy/python/aws/codegen/AwsRstDocFileGenerator.java
+++ b/codegen/aws/core/src/main/java/software/amazon/smithy/python/aws/codegen/AwsRstDocFileGenerator.java
@@ -197,4 +197,4 @@ public void append(PythonWriter pythonWriter, UnionMemberSection section) {
             });
         }
     }
-}
\ No newline at end of file
+}
diff --git a/codegen/core/src/main/java/software/amazon/smithy/python/codegen/ClientGenerator.java b/codegen/core/src/main/java/software/amazon/smithy/python/codegen/ClientGenerator.java
index 93f561ba8..aee41565d 100644
--- a/codegen/core/src/main/java/software/amazon/smithy/python/codegen/ClientGenerator.java
+++ b/codegen/core/src/main/java/software/amazon/smithy/python/codegen/ClientGenerator.java
@@ -896,7 +896,7 @@ private void writeSharedOperationInit(PythonWriter writer, OperationShape operat
 
     private void generateEventStreamOperation(PythonWriter writer, OperationShape operation) {
         writer.pushState();
-        writer.addDependency(SmithyPythonDependency.SMITHY_EVENT_STREAM);
+        writer.addDependency(SmithyPythonDependency.SMITHY_CORE);
         var operationSymbol = symbolProvider.toSymbol(operation);
         writer.putContext("operation", operationSymbol);
         var operationMethodSymbol = operationSymbol.expectProperty(OPERATION_METHOD);
@@ -963,7 +963,7 @@ raise NotImplementedError()
                         writer.consumer(w -> writeSharedOperationInit(w, operation, input)),
                         outputStreamSymbol.expectProperty(SymbolProperties.DESERIALIZER));
             } else {
-                writer.addImport("smithy_event_stream.aio.interfaces", "InputEventStream");
+                writer.addImport("smithy_core.aio.eventstream", "InputEventStream");
                 writer.write("""
                         async def ${operationName:L}(
                             self,
diff --git a/codegen/core/src/main/java/software/amazon/smithy/python/codegen/SmithyPythonDependency.java b/codegen/core/src/main/java/software/amazon/smithy/python/codegen/SmithyPythonDependency.java
index c43e47d61..145f614dc 100644
--- a/codegen/core/src/main/java/software/amazon/smithy/python/codegen/SmithyPythonDependency.java
+++ b/codegen/core/src/main/java/software/amazon/smithy/python/codegen/SmithyPythonDependency.java
@@ -66,15 +66,6 @@ public final class SmithyPythonDependency {
             Type.DEPENDENCY,
             false);
 
-    /**
-     * Core interfaces for event streams.
-     */
-    public static final PythonDependency SMITHY_EVENT_STREAM = new PythonDependency(
-            "smithy_event_stream",
-            "==0.0.1",
-            Type.DEPENDENCY,
-            false);
-
     /**
      * EventStream implementations for application/vnd.amazon.eventstream.
      */
diff --git a/codegen/core/src/main/java/software/amazon/smithy/python/codegen/integrations/RestJsonProtocolGenerator.java b/codegen/core/src/main/java/software/amazon/smithy/python/codegen/integrations/RestJsonProtocolGenerator.java
index 6614cc390..f967308db 100644
--- a/codegen/core/src/main/java/software/amazon/smithy/python/codegen/integrations/RestJsonProtocolGenerator.java
+++ b/codegen/core/src/main/java/software/amazon/smithy/python/codegen/integrations/RestJsonProtocolGenerator.java
@@ -171,7 +171,6 @@ protected void writeDefaultHeaders(GenerationContext context, PythonWriter write
         }
     }
 
-
     @Override
     protected void serializePayloadBody(
             GenerationContext context,
diff --git a/pyproject.toml b/pyproject.toml
index b10ae5f41..9cb584aa9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,6 @@ members = ["packages/*"]
 
 [tool.uv.sources]
 smithy_core = { workspace = true }
-smithy_event_stream = { workspace = true }
 smithy_http = { workspace = true }
 smithy_json = { workspace = true }
 smithy_aws_core = { workspace = true }