diff --git a/extensions/ql-vscode/src/model-editor/languages/index.ts b/extensions/ql-vscode/src/model-editor/languages/index.ts
index 5974a49c7..a96cb4788 100644
--- a/extensions/ql-vscode/src/model-editor/languages/index.ts
+++ b/extensions/ql-vscode/src/model-editor/languages/index.ts
@@ -1,3 +1,2 @@
 export * from "./languages";
 export * from "./models-as-data";
-export * from "./predicates";
diff --git a/extensions/ql-vscode/src/model-editor/languages/predicates.ts b/extensions/ql-vscode/src/model-editor/languages/predicates.ts
deleted file mode 100644
index e5a2d929e..000000000
--- a/extensions/ql-vscode/src/model-editor/languages/predicates.ts
+++ /dev/null
@@ -1,157 +0,0 @@
-import {
-  ModeledMethod,
-  ModeledMethodType,
-  Provenance,
-} from "../modeled-method";
-import { DataTuple } from "../model-extension-file";
-
-export type ExtensiblePredicateDefinition = {
-  extensiblePredicate: string;
-  generateMethodDefinition: (method: ModeledMethod) => DataTuple[];
-  readModeledMethod: (row: DataTuple[]) => ModeledMethod;
-
-  supportedKinds?: string[];
-};
-
-function readRowToMethod(row: DataTuple[]): string {
-  return `${row[0]}.${row[1]}#${row[3]}${row[4]}`;
-}
-
-export const extensiblePredicateDefinitions: Record<
-  Exclude<ModeledMethodType, "none">,
-  ExtensiblePredicateDefinition
-> = {
-  source: {
-    extensiblePredicate: "sourceModel",
-    // extensible predicate sourceModel(
-    //   string package, string type, boolean subtypes, string name, string signature, string ext,
-    //   string output, string kind, string provenance
-    // );
-    generateMethodDefinition: (method) => [
-      method.packageName,
-      method.typeName,
-      true,
-      method.methodName,
-      method.methodParameters,
-      "",
-      method.output,
-      method.kind,
-      method.provenance,
-    ],
-    readModeledMethod: (row) => ({
-      type: "source",
-      input: "",
-      output: row[6] as string,
-      kind: row[7] as string,
-      provenance: row[8] as Provenance,
-      signature: readRowToMethod(row),
-      packageName: row[0] as string,
-      typeName: row[1] as string,
-      methodName: row[3] as string,
-      methodParameters: row[4] as string,
-    }),
-    supportedKinds: ["local", "remote"],
-  },
-  sink: {
-    extensiblePredicate: "sinkModel",
-    // extensible predicate sinkModel(
-    //   string package, string type, boolean subtypes, string name, string signature, string ext,
-    //   string input, string kind, string provenance
-    // );
-    generateMethodDefinition: (method) => [
-      method.packageName,
-      method.typeName,
-      true,
-      method.methodName,
-      method.methodParameters,
-      "",
-      method.input,
-      method.kind,
-      method.provenance,
-    ],
-    readModeledMethod: (row) => ({
-      type: "sink",
-      input: row[6] as string,
-      output: "",
-      kind: row[7] as string,
-      provenance: row[8] as Provenance,
-      signature: readRowToMethod(row),
-      packageName: row[0] as string,
-      typeName: row[1] as string,
-      methodName: row[3] as string,
-      methodParameters: row[4] as string,
-    }),
-    supportedKinds: [
-      "code-injection",
-      "command-injection",
-      "file-content-store",
-      "html-injection",
-      "js-injection",
-      "ldap-injection",
-      "log-injection",
-      "path-injection",
-      "request-forgery",
-      "sql-injection",
-      "url-redirection",
-    ],
-  },
-  summary: {
-    extensiblePredicate: "summaryModel",
-    // extensible predicate summaryModel(
-    //   string package, string type, boolean subtypes, string name, string signature, string ext,
-    //   string input, string output, string kind, string provenance
-    // );
-    generateMethodDefinition: (method) => [
-      method.packageName,
-      method.typeName,
-      true,
-      method.methodName,
-      method.methodParameters,
-      "",
-      method.input,
-      method.output,
-      method.kind,
-      method.provenance,
-    ],
-    readModeledMethod: (row) => ({
-      type: "summary",
-      input: row[6] as string,
-      output: row[7] as string,
-      kind: row[8] as string,
-      provenance: row[9] as Provenance,
-      signature: readRowToMethod(row),
-      packageName: row[0] as string,
-      typeName: row[1] as string,
-      methodName: row[3] as string,
-      methodParameters: row[4] as string,
-    }),
-    supportedKinds: ["taint", "value"],
-  },
-  neutral: {
-    extensiblePredicate: "neutralModel",
-    // extensible predicate neutralModel(
-    //   string package, string type, string name, string signature, string kind, string provenance
-    // );
-    generateMethodDefinition: (method) => [
-      method.packageName,
-      method.typeName,
-      method.methodName,
-      method.methodParameters,
-      method.kind,
-      method.provenance,
-    ],
-    readModeledMethod: (row) => ({
-      type: "neutral",
-      input: "",
-      output: "",
-      kind: row[4] as string,
-      provenance: row[5] as Provenance,
-      signature: `${row[0]}.${row[1]}#${row[2]}${row[3]}`,
-      packageName: row[0] as string,
-      typeName: row[1] as string,
-      methodName: row[2] as string,
-      methodParameters: row[3] as string,
-    }),
-    supportedKinds: ["summary", "source", "sink"],
-  },
-};