diff --git a/goldens/public-api/compiler-cli/error_code.md b/goldens/public-api/compiler-cli/error_code.md
index e95384b30a4..bcde3ae47e8 100644
--- a/goldens/public-api/compiler-cli/error_code.md
+++ b/goldens/public-api/compiler-cli/error_code.md
@@ -31,8 +31,6 @@ export enum ErrorCode {
     // (undocumented)
     DECORATOR_NOT_CALLED = 1003,
     // (undocumented)
-    DECORATOR_ON_ANONYMOUS_CLASS = 1004,
-    // (undocumented)
     DECORATOR_UNEXPECTED = 1005,
     DIRECTIVE_INHERITS_UNDECORATED_CTOR = 2006,
     // (undocumented)
@@ -72,8 +70,6 @@ export enum ErrorCode {
     SUGGEST_STRICT_TEMPLATES = 10001,
     SUGGEST_SUBOPTIMAL_TYPE_INFERENCE = 10002,
     // (undocumented)
-    SYMBOL_EXPORTED_UNDER_DIFFERENT_NAME = 3002,
-    // (undocumented)
     SYMBOL_NOT_EXPORTED = 3001,
     TEMPLATE_PARSE_ERROR = 5002,
     TEXT_ATTRIBUTE_NOT_BINDING = 8104,
diff --git a/packages/compiler-cli/src/ngtsc/diagnostics/src/error_code.ts b/packages/compiler-cli/src/ngtsc/diagnostics/src/error_code.ts
index c27f6192010..33f8ec64050 100644
--- a/packages/compiler-cli/src/ngtsc/diagnostics/src/error_code.ts
+++ b/packages/compiler-cli/src/ngtsc/diagnostics/src/error_code.ts
@@ -13,7 +13,6 @@ export enum ErrorCode {
   DECORATOR_ARG_NOT_LITERAL = 1001,
   DECORATOR_ARITY_WRONG = 1002,
   DECORATOR_NOT_CALLED = 1003,
-  DECORATOR_ON_ANONYMOUS_CLASS = 1004,
   DECORATOR_UNEXPECTED = 1005,
 
   /**
@@ -73,7 +72,6 @@ export enum ErrorCode {
   COMPONENT_UNKNOWN_IMPORT = 2012,
 
   SYMBOL_NOT_EXPORTED = 3001,
-  SYMBOL_EXPORTED_UNDER_DIFFERENT_NAME = 3002,
   /**
    * Raised when a relationship between directives and/or pipes would cause a cyclic import to be
    * created that cannot be handled, such as in partial compilation mode.
@@ -269,7 +267,7 @@ export enum ErrorCode {
   /**
    * Indicates that the binding suffix is not supported
    *
-   * Style bindings support suffixes like `stlye.width.px`, `.em`, and `.%`.
+   * Style bindings support suffixes like `style.width.px`, `.em`, and `.%`.
    * These suffixes are _not_ supported for attribute bindings.
    *
    * For example `[attr.width.px]="5"` becomes `width.px="5"` when bound.