diff --git a/arduino-ide-extension/src/node/cli-error-parser.ts b/arduino-ide-extension/src/node/cli-error-parser.ts
index 25148250f..b002742c6 100644
--- a/arduino-ide-extension/src/node/cli-error-parser.ts
+++ b/arduino-ide-extension/src/node/cli-error-parser.ts
@@ -149,76 +149,6 @@ function remapErrorMessages(result: ParseResult): ParseResult {
 
 // Based on the Java IDE: https://github.com/arduino/Arduino/blob/43b0818f7fa8073301db1b80ac832b7b7596b828/arduino-core/src/cc/arduino/Compiler.java#L528-L578
 const KnownErrors: Record<string, { error: string; message?: string }> = {
-  'SPI.h: No such file or directory': {
-    error: nls.localize(
-      'arduino/cli-error-parser/spiError',
-      'Please import the SPI library from the Sketch > Import Library menu.'
-    ),
-    message: nls.localize(
-      'arduino/cli-error-parser/spiMessage',
-      'As of Arduino 0019, the Ethernet library depends on the SPI library.\nYou appear to be using it or another library that depends on the SPI library.'
-    ),
-  },
-  "'BYTE' was not declared in this scope": {
-    error: nls.localize(
-      'arduino/cli-error-parser/byteError',
-      "The 'BYTE' keyword is no longer supported."
-    ),
-    message: nls.localize(
-      'arduino/cli-error-parser/byteMessage',
-      "As of Arduino 1.0, the 'BYTE' keyword is no longer supported.\nPlease use Serial.write() instead."
-    ),
-  },
-  "no matching function for call to 'Server::Server(int)'": {
-    error: nls.localize(
-      'arduino/cli-error-parser/serverError',
-      'The Server class has been renamed EthernetServer.'
-    ),
-    message: nls.localize(
-      'arduino/cli-error-parser/serverMessage',
-      'As of Arduino 1.0, the Server class in the Ethernet library has been renamed to EthernetServer.'
-    ),
-  },
-  "no matching function for call to 'Client::Client(byte [4], int)'": {
-    error: nls.localize(
-      'arduino/cli-error-parser/clientError',
-      'The Client class has been renamed EthernetClient.'
-    ),
-    message: nls.localize(
-      'arduino/cli-error-parser/clientMessage',
-      'As of Arduino 1.0, the Client class in the Ethernet library has been renamed to EthernetClient.'
-    ),
-  },
-  "'Udp' was not declared in this scope": {
-    error: nls.localize(
-      'arduino/cli-error-parser/udpError',
-      'The Udp class has been renamed EthernetUdp.'
-    ),
-    message: nls.localize(
-      'arduino/cli-error-parser/udpMessage',
-      'As of Arduino 1.0, the Udp class in the Ethernet library has been renamed to EthernetUdp.'
-    ),
-  },
-  "'class TwoWire' has no member named 'send'": {
-    error: nls.localize(
-      'arduino/cli-error-parser/sendError',
-      'Wire.send() has been renamed Wire.write().'
-    ),
-    message: nls.localize(
-      'arduino/cli-error-parser/sendMessage',
-      'As of Arduino 1.0, the Wire.send() function was renamed to Wire.write() for consistency with other libraries.'
-    ),
-  },
-  "'class TwoWire' has no member named 'receive'": {
-    error: nls.localize(
-      'arduino/cli-error-parser/receiveError',
-      'Wire.receive() has been renamed Wire.read().'
-    ),
-    message: nls.localize(
-      'arduino/cli-error-parser/receiveMessage',
-      'As of Arduino 1.0, the Wire.receive() function was renamed to Wire.read() for consistency with other libraries.'
-    ),
-  },
   "'Mouse' was not declared in this scope": {
     error: nls.localize(
       'arduino/cli-error-parser/mouseError',
diff --git a/i18n/en.json b/i18n/en.json
index 46e0c4488..eb0d7ed76 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -57,22 +57,8 @@
       "uploadingCertificates": "Uploading certificates."
     },
     "cli-error-parser": {
-      "byteError": "The 'BYTE' keyword is no longer supported.",
-      "byteMessage": "As of Arduino 1.0, the 'BYTE' keyword is no longer supported.\nPlease use Serial.write() instead.",
-      "clientError": "The Client class has been renamed EthernetClient.",
-      "clientMessage": "As of Arduino 1.0, the Client class in the Ethernet library has been renamed to EthernetClient.",
       "keyboardError": "'Keyboard' not found. Does your sketch include the line '#include <Keyboard.h>'?",
-      "mouseError": "'Mouse' not found. Does your sketch include the line '#include <Mouse.h>'?",
-      "receiveError": "Wire.receive() has been renamed Wire.read().",
-      "receiveMessage": "As of Arduino 1.0, the Wire.receive() function was renamed to Wire.read() for consistency with other libraries.",
-      "sendError": "Wire.send() has been renamed Wire.write().",
-      "sendMessage": "As of Arduino 1.0, the Wire.send() function was renamed to Wire.write() for consistency with other libraries.",
-      "serverError": "The Server class has been renamed EthernetServer.",
-      "serverMessage": "As of Arduino 1.0, the Server class in the Ethernet library has been renamed to EthernetServer.",
-      "spiError": "Please import the SPI library from the Sketch > Import Library menu.",
-      "spiMessage": "As of Arduino 0019, the Ethernet library depends on the SPI library.\nYou appear to be using it or another library that depends on the SPI library.",
-      "udpError": "The Udp class has been renamed EthernetUdp.",
-      "udpMessage": "As of Arduino 1.0, the Udp class in the Ethernet library has been renamed to EthernetUdp."
+      "mouseError": "'Mouse' not found. Does your sketch include the line '#include <Mouse.h>'?"
     },
     "cloud": {
       "account": "Account",