diff --git a/src/lib.rs b/src/lib.rs
index a6f73f2..0d3cf7c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -23,9 +23,7 @@
 //! Notice that there is a trade-off here. Creating and dropping a `Guard` is not free, since it
 //! also needs to interact with said bookkeeping. But if you keep one around for a long time, you
 //! may accumulate much garbage which will take up valuable free memory on your system. Use your
-//! best judgement in deciding whether or not to re-use a `Guard`. This is also the reason why the
-//! map requires that `K: 'static` and `V: 'static`. If we did not, then your keys and values may
-//! get dropped far later, potentially after those lifetimes have passed, which would not be sound.
+//! best judgement in deciding whether or not to re-use a `Guard`.
 //!
 //! # Consistency
 //!
diff --git a/src/map.rs b/src/map.rs
index 0a05b9a..69c1484 100644
--- a/src/map.rs
+++ b/src/map.rs
@@ -214,7 +214,7 @@ where
 
 // ===
 // the following methods only see Ks and Vs if there have been inserts.
-// modifications to the map are all guarded by thread-safety bounds (Send + Sync + 'static).
+// modifications to the map are all guarded by thread-safety bounds (Send + Sync ).
 // but _these_ methods do not need to be, since they will never introduce keys or values, only give
 // out ones that have already been inserted (which implies they must be thread-safe).
 // ===
@@ -1602,8 +1602,8 @@ where
 
 impl<K, V, S> HashMap<K, V, S>
 where
-    K: 'static + Sync + Send + Clone + Hash + Ord,
-    V: 'static + Sync + Send,
+    K: Sync + Send + Clone + Hash + Ord,
+    V: Sync + Send,
     S: BuildHasher,
 {
     /// Inserts a key-value pair into the map.
@@ -3007,8 +3007,8 @@ impl<K, V, S> Drop for HashMap<K, V, S> {
 
 impl<K, V, S> Extend<(K, V)> for &HashMap<K, V, S>
 where
-    K: 'static + Sync + Send + Clone + Hash + Ord,
-    V: 'static + Sync + Send,
+    K: Sync + Send + Clone + Hash + Ord,
+    V: Sync + Send,
     S: BuildHasher,
 {
     fn extend<T: IntoIterator<Item = (K, V)>>(&mut self, iter: T) {
@@ -3032,8 +3032,8 @@ where
 
 impl<'a, K, V, S> Extend<(&'a K, &'a V)> for &HashMap<K, V, S>
 where
-    K: 'static + Sync + Send + Copy + Hash + Ord,
-    V: 'static + Sync + Send + Copy,
+    K: Sync + Send + Copy + Hash + Ord,
+    V: Sync + Send + Copy,
     S: BuildHasher,
 {
     fn extend<T: IntoIterator<Item = (&'a K, &'a V)>>(&mut self, iter: T) {
@@ -3043,8 +3043,8 @@ where
 
 impl<K, V, S> FromIterator<(K, V)> for HashMap<K, V, S>
 where
-    K: 'static + Sync + Send + Clone + Hash + Ord,
-    V: 'static + Sync + Send,
+    K: Sync + Send + Clone + Hash + Ord,
+    V: Sync + Send,
     S: BuildHasher + Default,
 {
     fn from_iter<T: IntoIterator<Item = (K, V)>>(iter: T) -> Self {
@@ -3069,8 +3069,8 @@ where
 
 impl<'a, K, V, S> FromIterator<(&'a K, &'a V)> for HashMap<K, V, S>
 where
-    K: 'static + Sync + Send + Copy + Hash + Ord,
-    V: 'static + Sync + Send + Copy,
+    K: Sync + Send + Copy + Hash + Ord,
+    V: Sync + Send + Copy,
     S: BuildHasher + Default,
 {
     fn from_iter<T: IntoIterator<Item = (&'a K, &'a V)>>(iter: T) -> Self {
@@ -3080,8 +3080,8 @@ where
 
 impl<'a, K, V, S> FromIterator<&'a (K, V)> for HashMap<K, V, S>
 where
-    K: 'static + Sync + Send + Copy + Hash + Ord,
-    V: 'static + Sync + Send + Copy,
+    K: Sync + Send + Copy + Hash + Ord,
+    V: Sync + Send + Copy,
     S: BuildHasher + Default,
 {
     fn from_iter<T: IntoIterator<Item = &'a (K, V)>>(iter: T) -> Self {
@@ -3091,8 +3091,8 @@ where
 
 impl<K, V, S> Clone for HashMap<K, V, S>
 where
-    K: 'static + Sync + Send + Clone + Hash + Ord,
-    V: 'static + Sync + Send + Clone,
+    K: Sync + Send + Clone + Hash + Ord,
+    V: Sync + Send + Clone,
     S: BuildHasher + Clone,
 {
     fn clone(&self) -> HashMap<K, V, S> {
diff --git a/src/map_ref.rs b/src/map_ref.rs
index 1bffede..0b339ef 100644
--- a/src/map_ref.rs
+++ b/src/map_ref.rs
@@ -149,8 +149,8 @@ where
 
 impl<K, V, S> HashMapRef<'_, K, V, S>
 where
-    K: 'static + Sync + Send + Clone + Hash + Ord,
-    V: 'static + Sync + Send,
+    K: Sync + Send + Clone + Hash + Ord,
+    V: Sync + Send,
     S: BuildHasher,
 {
     /// Inserts a key-value pair into the map.
diff --git a/src/rayon_impls.rs b/src/rayon_impls.rs
index 43b23a1..caee707 100644
--- a/src/rayon_impls.rs
+++ b/src/rayon_impls.rs
@@ -4,8 +4,8 @@ use std::hash::{BuildHasher, Hash};
 
 impl<K, V, S> FromParallelIterator<(K, V)> for HashMap<K, V, S>
 where
-    K: Clone + Hash + Ord + Send + Sync + 'static,
-    V: Send + Sync + 'static,
+    K: Clone + Hash + Ord + Send + Sync,
+    V: Send + Sync,
     S: BuildHasher + Default + Sync,
 {
     fn from_par_iter<I>(par_iter: I) -> Self
@@ -20,8 +20,8 @@ where
 
 impl<K, V, S> ParallelExtend<(K, V)> for HashMap<K, V, S>
 where
-    K: Clone + Hash + Ord + Send + Sync + 'static,
-    V: Send + Sync + 'static,
+    K: Clone + Hash + Ord + Send + Sync,
+    V: Send + Sync,
     S: BuildHasher + Sync,
 {
     fn par_extend<I>(&mut self, par_iter: I)
@@ -34,8 +34,8 @@ where
 
 impl<K, V, S> ParallelExtend<(K, V)> for &HashMap<K, V, S>
 where
-    K: Clone + Hash + Ord + Send + Sync + 'static,
-    V: Send + Sync + 'static,
+    K: Clone + Hash + Ord + Send + Sync,
+    V: Send + Sync,
     S: BuildHasher + Sync,
 {
     fn par_extend<I>(&mut self, par_iter: I)
@@ -53,8 +53,8 @@ where
 
 impl<'map, K, V, S> ParallelExtend<(K, V)> for HashMapRef<'map, K, V, S>
 where
-    K: Clone + Hash + Ord + Send + Sync + 'static,
-    V: Send + Sync + 'static,
+    K: Clone + Hash + Ord + Send + Sync,
+    V: Send + Sync,
     S: BuildHasher + Sync,
 {
     fn par_extend<I>(&mut self, par_iter: I)
@@ -67,7 +67,7 @@ where
 
 impl<K, S> FromParallelIterator<K> for HashSet<K, S>
 where
-    K: Clone + Hash + Ord + Send + Sync + 'static,
+    K: Clone + Hash + Ord + Send + Sync,
     S: BuildHasher + Default + Sync,
 {
     fn from_par_iter<I>(par_iter: I) -> Self
@@ -82,7 +82,7 @@ where
 
 impl<K, S> ParallelExtend<K> for HashSet<K, S>
 where
-    K: Clone + Hash + Ord + Send + Sync + 'static,
+    K: Clone + Hash + Ord + Send + Sync,
     S: BuildHasher + Sync,
 {
     fn par_extend<I>(&mut self, par_iter: I)
@@ -95,7 +95,7 @@ where
 
 impl<K, S> ParallelExtend<K> for &HashSet<K, S>
 where
-    K: Clone + Hash + Ord + Send + Sync + 'static,
+    K: Clone + Hash + Ord + Send + Sync,
     S: BuildHasher + Sync,
 {
     fn par_extend<I>(&mut self, par_iter: I)
@@ -109,7 +109,7 @@ where
 
 impl<'set, K, S> ParallelExtend<K> for HashSetRef<'set, K, S>
 where
-    K: Clone + Hash + Ord + Send + Sync + 'static,
+    K: Clone + Hash + Ord + Send + Sync,
     S: BuildHasher + Sync,
 {
     fn par_extend<I>(&mut self, par_iter: I)
diff --git a/src/serde_impls.rs b/src/serde_impls.rs
index 9154bcc..aa08721 100644
--- a/src/serde_impls.rs
+++ b/src/serde_impls.rs
@@ -41,8 +41,8 @@ where
 
 impl<'de, K, V, S> Deserialize<'de> for HashMap<K, V, S>
 where
-    K: 'static + Deserialize<'de> + Send + Sync + Hash + Clone + Ord,
-    V: 'static + Deserialize<'de> + Send + Sync + Ord,
+    K: Deserialize<'de> + Send + Sync + Hash + Clone + Ord,
+    V: Deserialize<'de> + Send + Sync + Ord,
     S: Default + BuildHasher,
 {
     fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
@@ -65,8 +65,8 @@ impl<K, V, S> HashMapVisitor<K, V, S> {
 
 impl<'de, K, V, S> Visitor<'de> for HashMapVisitor<K, V, S>
 where
-    K: 'static + Deserialize<'de> + Send + Sync + Hash + Clone + Ord,
-    V: 'static + Deserialize<'de> + Send + Sync + Ord,
+    K: Deserialize<'de> + Send + Sync + Hash + Clone + Ord,
+    V: Deserialize<'de> + Send + Sync + Ord,
     S: Default + BuildHasher,
 {
     type Value = HashMap<K, V, S>;
@@ -124,7 +124,7 @@ where
 
 impl<'de, T, S> Deserialize<'de> for HashSet<T, S>
 where
-    T: 'static + Deserialize<'de> + Send + Sync + Hash + Clone + Ord,
+    T: Deserialize<'de> + Send + Sync + Hash + Clone + Ord,
     S: Default + BuildHasher,
 {
     fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
@@ -151,7 +151,7 @@ impl<T, S> HashSetVisitor<T, S> {
 
 impl<'de, T, S> Visitor<'de> for HashSetVisitor<T, S>
 where
-    T: 'static + Deserialize<'de> + Send + Sync + Hash + Clone + Ord,
+    T: Deserialize<'de> + Send + Sync + Hash + Clone + Ord,
     S: Default + BuildHasher,
 {
     type Value = HashSet<T, S>;
diff --git a/src/set.rs b/src/set.rs
index 89eb2a2..69a4317 100644
--- a/src/set.rs
+++ b/src/set.rs
@@ -384,7 +384,7 @@ where
 
 impl<T, S> HashSet<T, S>
 where
-    T: 'static + Sync + Send + Clone + Hash + Ord,
+    T: Sync + Send + Clone + Hash + Ord,
     S: BuildHasher,
 {
     /// Adds a value to the set.
@@ -556,7 +556,7 @@ where
 
 impl<T, S> Extend<T> for &HashSet<T, S>
 where
-    T: 'static + Sync + Send + Clone + Hash + Ord,
+    T: Sync + Send + Clone + Hash + Ord,
     S: BuildHasher,
 {
     fn extend<I: IntoIterator<Item = T>>(&mut self, iter: I) {
@@ -566,7 +566,7 @@ where
 
 impl<'a, T, S> Extend<&'a T> for &HashSet<T, S>
 where
-    T: 'static + Sync + Send + Copy + Hash + Ord,
+    T: Sync + Send + Copy + Hash + Ord,
     S: BuildHasher,
 {
     fn extend<I: IntoIterator<Item = &'a T>>(&mut self, iter: I) {
@@ -576,7 +576,7 @@ where
 
 impl<T, S> FromIterator<T> for HashSet<T, S>
 where
-    T: 'static + Sync + Send + Clone + Hash + Ord,
+    T: Sync + Send + Clone + Hash + Ord,
     S: BuildHasher + Default,
 {
     fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Self {
@@ -588,7 +588,7 @@ where
 
 impl<'a, T, S> FromIterator<&'a T> for HashSet<T, S>
 where
-    T: 'static + Sync + Send + Copy + Hash + Ord,
+    T: Sync + Send + Copy + Hash + Ord,
     S: BuildHasher + Default,
 {
     fn from_iter<I: IntoIterator<Item = &'a T>>(iter: I) -> Self {
@@ -600,7 +600,7 @@ where
 
 impl<T, S> Clone for HashSet<T, S>
 where
-    T: 'static + Sync + Send + Clone + Hash + Ord,
+    T: Sync + Send + Clone + Hash + Ord,
     S: BuildHasher + Clone,
 {
     fn clone(&self) -> HashSet<T, S> {
diff --git a/src/set_ref.rs b/src/set_ref.rs
index ba145f6..ff2d2a7 100644
--- a/src/set_ref.rs
+++ b/src/set_ref.rs
@@ -112,7 +112,7 @@ where
 
 impl<T, S> HashSetRef<'_, T, S>
 where
-    T: 'static + Sync + Send + Clone + Hash + Ord,
+    T: Sync + Send + Clone + Hash + Ord,
     S: BuildHasher,
 {
     /// Adds a value to the set.
diff --git a/tests/jdk/concurrent_associate.rs b/tests/jdk/concurrent_associate.rs
index d7458da..d3c3231 100644
--- a/tests/jdk/concurrent_associate.rs
+++ b/tests/jdk/concurrent_associate.rs
@@ -32,7 +32,7 @@ fn test_concurrent_insert<'g>() {
 
 fn test<F>(associator: F)
 where
-    F: Fn(Arc<HashMap<KeyVal, KeyVal>>, KeyVal) + Send + Copy + 'static,
+    F: Fn(Arc<HashMap<KeyVal, KeyVal>>, KeyVal) + Send + Copy,
 {
     for _ in 0..ITERATIONS {
         test_once(associator);
@@ -41,7 +41,7 @@ where
 
 fn test_once<F>(associator: F)
 where
-    F: Fn(Arc<HashMap<KeyVal, KeyVal>>, KeyVal) + Send + Copy + 'static,
+    F: Fn(Arc<HashMap<KeyVal, KeyVal>>, KeyVal) + Send + Copy,
 {
     let map = Arc::new(HashMap::new());
     let mut threads = Vec::new();
diff --git a/tests/jdk/map_check.rs b/tests/jdk/map_check.rs
index aac648a..401fe9d 100644
--- a/tests/jdk/map_check.rs
+++ b/tests/jdk/map_check.rs
@@ -35,7 +35,7 @@ where
 
 fn t2<K>(map: &HashMap<K, usize>, keys: &[K], expect: usize)
 where
-    K: 'static + Sync + Send + Copy + Hash + Ord + std::fmt::Display,
+    K: Sync + Send + Copy + Hash + Ord + std::fmt::Display,
 {
     let mut sum = 0;
     let guard = map.guard();
@@ -49,7 +49,7 @@ where
 
 fn t3<K>(map: &HashMap<K, usize>, keys: &[K], expect: usize)
 where
-    K: 'static + Sync + Send + Copy + Hash + Ord,
+    K: Sync + Send + Copy + Hash + Ord,
 {
     let mut sum = 0;
     let guard = map.guard();
@@ -77,7 +77,7 @@ where
 
 fn t5<K>(map: &HashMap<K, usize>, keys: &[K], expect: usize)
 where
-    K: 'static + Sync + Send + Copy + Hash + Ord,
+    K: Sync + Send + Copy + Hash + Ord,
 {
     let mut sum = 0;
     let guard = map.guard();