diff --git a/README.md b/README.md
index 50dfdc15c6..02eda2cf05 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,9 @@ use opentelemetry::{exporter::trace::stdout, trace::Tracer};
 
 fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static>> {
     // Create a new instrumentation pipeline
+    // Note: uninstalling the tracer happens when the _uninstall
+    // variable is dropped. Assigning it to _ will immediately
+    // drop it and uninstall the tracer
     let (tracer, _uninstall) = stdout::new_pipeline().install();
 
     tracer.in_span("doing_work", |cx| {
diff --git a/opentelemetry-contrib/src/trace/exporter/datadog/mod.rs b/opentelemetry-contrib/src/trace/exporter/datadog/mod.rs
index 1ac8dfe402..727d6f5440 100644
--- a/opentelemetry-contrib/src/trace/exporter/datadog/mod.rs
+++ b/opentelemetry-contrib/src/trace/exporter/datadog/mod.rs
@@ -285,5 +285,6 @@ impl trace::SpanExporter for DatadogExporter {
 }
 
 /// Uninstalls the Datadog pipeline on drop
+#[must_use]
 #[derive(Debug)]
 pub struct Uninstall(global::TracerProviderGuard);
diff --git a/opentelemetry-jaeger/src/lib.rs b/opentelemetry-jaeger/src/lib.rs
index 4f8b3198b3..cefe00a081 100644
--- a/opentelemetry-jaeger/src/lib.rs
+++ b/opentelemetry-jaeger/src/lib.rs
@@ -226,6 +226,7 @@ pub fn new_pipeline() -> PipelineBuilder {
 }
 
 /// Guard that uninstalls the Jaeger trace pipeline when dropped
+#[must_use]
 #[derive(Debug)]
 pub struct Uninstall(global::TracerProviderGuard);
 
diff --git a/opentelemetry-otlp/src/lib.rs b/opentelemetry-otlp/src/lib.rs
index ab669f3073..c09a636d4b 100644
--- a/opentelemetry-otlp/src/lib.rs
+++ b/opentelemetry-otlp/src/lib.rs
@@ -232,6 +232,7 @@ impl OtlpPipelineBuilder {
 }
 
 /// Uninstalls the OTLP pipeline on drop
+#[must_use]
 #[derive(Debug)]
 pub struct Uninstall(global::TracerProviderGuard);
 
diff --git a/opentelemetry-zipkin/src/lib.rs b/opentelemetry-zipkin/src/lib.rs
index dda11342a9..17ede8ed00 100644
--- a/opentelemetry-zipkin/src/lib.rs
+++ b/opentelemetry-zipkin/src/lib.rs
@@ -324,6 +324,7 @@ impl trace::SpanExporter for Exporter {
 }
 
 /// Uninstalls the Zipkin pipeline on drop.
+#[must_use]
 #[derive(Debug)]
 pub struct Uninstall(global::TracerProviderGuard);
 
diff --git a/opentelemetry/src/exporter/trace/stdout.rs b/opentelemetry/src/exporter/trace/stdout.rs
index 437b39a520..7fcdb2719e 100644
--- a/opentelemetry/src/exporter/trace/stdout.rs
+++ b/opentelemetry/src/exporter/trace/stdout.rs
@@ -147,7 +147,8 @@ where
     }
 }
 
-/// Uninstalls the stdout pipeline on dropping.
+/// Uninstalls the stdout pipeline on drop.
+#[must_use]
 #[derive(Debug)]
 pub struct Uninstall(global::TracerProviderGuard);