diff --git a/js/.changeset/cuddly-shoes-beg.md b/js/.changeset/cuddly-shoes-beg.md
deleted file mode 100644
index 513c215f7..000000000
--- a/js/.changeset/cuddly-shoes-beg.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@arizeai/openinference-semantic-conventions": minor
----
-
-Add metadata semantic conventions
diff --git a/js/packages/openinference-semantic-conventions/src/trace/SemanticConventions.ts b/js/packages/openinference-semantic-conventions/src/trace/SemanticConventions.ts
index 33272f0fc..82f6f7fb4 100644
--- a/js/packages/openinference-semantic-conventions/src/trace/SemanticConventions.ts
+++ b/js/packages/openinference-semantic-conventions/src/trace/SemanticConventions.ts
@@ -14,7 +14,6 @@ export const SemanticAttributePrefixes = {
   embedding: "embedding",
   tool: "tool",
   tool_call: "tool_call",
-  metadata: "metadata",
   openinference: "openinference",
 } as const;
 
diff --git a/python/openinference-semantic-conventions/src/openinference/semconv/trace/__init__.py b/python/openinference-semantic-conventions/src/openinference/semconv/trace/__init__.py
index adb6c5b49..b0ce2d7de 100644
--- a/python/openinference-semantic-conventions/src/openinference/semconv/trace/__init__.py
+++ b/python/openinference-semantic-conventions/src/openinference/semconv/trace/__init__.py
@@ -209,20 +209,6 @@ class ToolCallAttributes:
     during a tool call.
     """
 
-METADATA_PREFIX = "metadata"
-"""
-The prefix for all metadata attributes. Metadata attributes are used to store
-user-defined key-value pairs. For example, LangChain uses metadata to store
-user-defined attributes for a chain.
-"""
-
-class MetadataAttributes:
-    """
-    Attributes for metadata
-    """
-
-    TAGS: str = f"{METADATA_PREFIX}.tags"
-
 
 class OpenInferenceSpanKindValues(Enum):
     TOOL = "TOOL"
diff --git a/spec/semantic_conventions.md b/spec/semantic_conventions.md
index f9ea303b0..9410f7d98 100644
--- a/spec/semantic_conventions.md
+++ b/spec/semantic_conventions.md
@@ -8,7 +8,7 @@ operations used by applications. These conventions are used to populate the `att
 The following attributes are reserved and MUST be supported by all OpenInference Tracing SDKs:
 
 | Attribute                              | Type            | Example                                                                    | Description                                                      |
-| -------------------------------------- | --------------- | -------------------------------------------------------------------------- | ---------------------------------------------------------------- |
+|----------------------------------------|-----------------|----------------------------------------------------------------------------|------------------------------------------------------------------|
 | `openinference.span.kind`              | String          | `"CHAIN"`                                                                  | The kind of span (e.g., `CHAIN`, `LLM`, `RETRIEVER`, `RERANKER`) |
 | `exception.type`                       | String          | `"NullPointerException"`                                                   | The type of exception that was thrown                            |
 | `exception.message`                    | String          | `"Null value encountered"`                                                 | Detailed message describing the exception                        |
@@ -53,7 +53,5 @@ The following attributes are reserved and MUST be supported by all OpenInference
 | `reranker.query`                       | String          | `"How to format timestamp?"`                                               | Query parameter of the reranker                                  |
 | `reranker.model_name`                  | String          | `"cross-encoder/ms-marco-MiniLM-L-12-v2"`                                  | Model name of the reranker                                       |
 | `reranker.top_k`                       | Integer         | 3                                                                          | Top K parameter of the reranker                                  |
-| `metadata.tags`                        | List of strings | ["shopping", "travel"]                                                     | List of tags to give the span a category                |
-| `metadata.*`                           | Any             | Any OTEL-compatible value                                                  | User-defined metadata for a chain or other span kind                      |
 
 Note: the `object` type refers to a set of key-value pairs also known as a `struct`, `mapping`, `dictionary`, etc.