diff --git a/matrix_sdk_base/Cargo.toml b/matrix_sdk_base/Cargo.toml
index 972aa310..54a35f34 100644
--- a/matrix_sdk_base/Cargo.toml
+++ b/matrix_sdk_base/Cargo.toml
@@ -54,17 +54,15 @@ features = ["sync", "fs"]
 [dev-dependencies]
 matrix-sdk-test = { version = "0.2.0", path = "../matrix_sdk_test" }
 http = "0.2.3"
-tracing-subscriber = "0.2.15"
+
+[target.'cfg(not(target_arch = "wasm32"))'.dev-dependencies]
+tokio = { version = "1.1.0", default-features = false, features = ["rt-multi-thread", "macros"] }
 tempfile = "3.2.0"
-mockito = "0.29.0"
 rustyline = "7.1.0"
 rustyline-derive = "0.4.0"
 atty = "0.2.14"
 clap = "2.33.3"
 syntect = "4.5.0"
 
-[target.'cfg(not(target_arch = "wasm32"))'.dev-dependencies]
-tokio = { version = "1.1.0", default-features = false, features = ["rt-multi-thread", "macros"] }
-
 [target.'cfg(target_arch = "wasm32")'.dev-dependencies]
 wasm-bindgen-test = "0.3.19"
diff --git a/matrix_sdk_base/examples/state_inspector.rs b/matrix_sdk_base/examples/state_inspector.rs
index 9b3ba08c..9c358283 100644
--- a/matrix_sdk_base/examples/state_inspector.rs
+++ b/matrix_sdk_base/examples/state_inspector.rs
@@ -3,8 +3,11 @@ use std::{convert::TryFrom, fmt::Debug, sync::Arc};
 use futures::executor::block_on;
 use serde::Serialize;
 
+#[cfg(not(target_arch = "wasm32"))]
 use atty::Stream;
+#[cfg(not(target_arch = "wasm32"))]
 use clap::{App as Argparse, AppSettings as ArgParseSettings, Arg, ArgMatches, SubCommand};
+#[cfg(not(target_arch = "wasm32"))]
 use rustyline::{
     completion::{Completer, Pair},
     error::ReadlineError,
@@ -13,8 +16,10 @@ use rustyline::{
     validate::{MatchingBracketValidator, Validator},
     CompletionType, Config, Context, EditMode, Editor, OutputStreamType,
 };
+#[cfg(not(target_arch = "wasm32"))]
 use rustyline_derive::Helper;
 
+#[cfg(not(target_arch = "wasm32"))]
 use syntect::{
     dumps::from_binary,
     easy::HighlightLines,
@@ -30,12 +35,14 @@ use matrix_sdk_base::{
 };
 
 #[derive(Clone)]
+#[cfg(not(target_arch = "wasm32"))]
 struct Inspector {
     store: Store,
     printer: Printer,
 }
 
 #[derive(Helper)]
+#[cfg(not(target_arch = "wasm32"))]
 struct InspectorHelper {
     store: Store,
     _highlighter: MatchingBracketHighlighter,
@@ -43,6 +50,7 @@ struct InspectorHelper {
     _hinter: HistoryHinter,
 }
 
+#[cfg(not(target_arch = "wasm32"))]
 impl InspectorHelper {
     const EVENT_TYPES: &'static [&'static str] = &[
         "m.room.aliases",
@@ -105,6 +113,7 @@ impl InspectorHelper {
     }
 }
 
+#[cfg(not(target_arch = "wasm32"))]
 impl Completer for InspectorHelper {
     type Candidate = Pair;
 
@@ -181,15 +190,19 @@ impl Completer for InspectorHelper {
     }
 }
 
+#[cfg(not(target_arch = "wasm32"))]
 impl Hinter for InspectorHelper {
     type Hint = String;
 }
 
+#[cfg(not(target_arch = "wasm32"))]
 impl Highlighter for InspectorHelper {}
 
+#[cfg(not(target_arch = "wasm32"))]
 impl Validator for InspectorHelper {}
 
 #[derive(Clone, Debug)]
+#[cfg(not(target_arch = "wasm32"))]
 struct Printer {
     ps: Arc<SyntaxSet>,
     ts: Arc<ThemeSet>,
@@ -197,6 +210,7 @@ struct Printer {
     color: bool,
 }
 
+#[cfg(not(target_arch = "wasm32"))]
 impl Printer {
     fn new(json: bool, color: bool) -> Self {
         let syntax_set: SyntaxSet = from_binary(include_bytes!("./syntaxes.bin"));
@@ -244,6 +258,7 @@ impl Printer {
     }
 }
 
+#[cfg(not(target_arch = "wasm32"))]
 impl Inspector {
     fn new(database_path: &str, json: bool, color: bool) -> Self {
         let printer = Printer::new(json, color);
@@ -388,6 +403,7 @@ impl Inspector {
     }
 }
 
+#[cfg(not(target_arch = "wasm32"))]
 fn main() {
     let argparse = Argparse::new("state-inspector")
         .global_setting(ArgParseSettings::DisableVersion)
@@ -431,3 +447,8 @@ fn main() {
         block_on(inspector.run(matches));
     }
 }
+
+#[cfg(target_arch = "wasm32")]
+fn main() {
+    panic!("This example doesn't run on WASM");
+}