diff --git a/crates/uv-resolver/src/lock/mod.rs b/crates/uv-resolver/src/lock/mod.rs
index f5e1b78e12723..7d208c2b9ce49 100644
--- a/crates/uv-resolver/src/lock/mod.rs
+++ b/crates/uv-resolver/src/lock/mod.rs
@@ -629,7 +629,9 @@ impl Lock {
                     })
                     .filter_map(super::requires_python::SimplifiedMarkerTree::try_to_string),
             );
-            doc.insert("resolution-markers", value(fork_markers));
+            if !fork_markers.is_empty() {
+                doc.insert("resolution-markers", value(fork_markers));
+            }
         }
 
         if !self.supported_environments.is_empty() {
@@ -1973,7 +1975,7 @@ impl Package {
         self.id.to_toml(None, &mut table);
 
         if !self.fork_markers.is_empty() {
-            let wheels = each_element_on_its_line_array(
+            let fork_markers = each_element_on_its_line_array(
                 self.fork_markers
                     .iter()
                     // TODO(ag): Consider whether `resolution-markers` should actually
@@ -1983,7 +1985,9 @@ impl Package {
                     .map(|marker| SimplifiedMarkerTree::new(requires_python, marker.pep508()))
                     .filter_map(super::requires_python::SimplifiedMarkerTree::try_to_string),
             );
-            table.insert("resolution-markers", value(wheels));
+            if !fork_markers.is_empty() {
+                table.insert("resolution-markers", value(fork_markers));
+            }
         }
 
         if !self.dependencies.is_empty() {
diff --git a/crates/uv/tests/it/lock_conflict.rs b/crates/uv/tests/it/lock_conflict.rs
index 53619888acf28..8efc9dcee22ad 100644
--- a/crates/uv/tests/it/lock_conflict.rs
+++ b/crates/uv/tests/it/lock_conflict.rs
@@ -101,8 +101,6 @@ fn extra_basic() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", extra = "extra1" },
             { package = "project", extra = "extra2" },
@@ -309,8 +307,6 @@ fn extra_basic_three_extras() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", extra = "extra1" },
             { package = "project", extra = "extra2" },
@@ -824,8 +820,6 @@ fn extra_multiple_independent() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", extra = "extra1" },
             { package = "project", extra = "extra2" },
@@ -986,8 +980,6 @@ fn extra_config_change_ignore_lockfile() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", extra = "extra1" },
             { package = "project", extra = "extra2" },
@@ -1499,8 +1491,6 @@ fn group_basic() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", group = "group1" },
             { package = "project", group = "group2" },
@@ -1665,8 +1655,6 @@ fn group_default() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", group = "group1" },
             { package = "project", group = "group2" },
@@ -1891,8 +1879,6 @@ fn mixed() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", group = "group1" },
             { package = "project", extra = "extra1" },
@@ -2067,8 +2053,6 @@ fn multiple_sources_index_disjoint_extras() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", extra = "cu118" },
             { package = "project", extra = "cu124" },
@@ -2218,8 +2202,6 @@ fn multiple_sources_index_disjoint_groups() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", group = "cu118" },
             { package = "project", group = "cu124" },
@@ -2369,8 +2351,6 @@ fn multiple_sources_index_disjoint_extras_with_extra() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", extra = "cu118" },
             { package = "project", extra = "cu124" },
@@ -2860,8 +2840,6 @@ fn shared_optional_dependency_extra1() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", extra = "foo" },
             { package = "project", extra = "bar" },
@@ -3004,8 +2982,6 @@ fn shared_optional_dependency_group1() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", group = "foo" },
             { package = "project", group = "bar" },
@@ -3150,8 +3126,6 @@ fn shared_optional_dependency_mixed1() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", extra = "foo" },
             { package = "project", group = "bar" },
@@ -3302,8 +3276,6 @@ fn shared_optional_dependency_extra2() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = "==3.11.*"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", extra = "foo" },
             { package = "project", extra = "bar" },
@@ -3450,8 +3422,6 @@ fn shared_optional_dependency_group2() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = "==3.11.*"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", group = "foo" },
             { package = "project", group = "bar" },
@@ -3604,8 +3574,6 @@ fn shared_optional_dependency_mixed2() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = "==3.11.*"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", extra = "foo" },
             { package = "project", group = "bar" },
@@ -3752,8 +3720,6 @@ fn shared_dependency_extra() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", extra = "foo" },
             { package = "project", extra = "bar" },
@@ -3931,8 +3897,6 @@ fn shared_dependency_group() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", group = "foo" },
             { package = "project", group = "bar" },
@@ -4112,8 +4076,6 @@ fn shared_dependency_mixed() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", extra = "foo" },
             { package = "project", group = "bar" },
@@ -4329,8 +4291,6 @@ conflicts = [
             lock, @r###"
         version = 1
         requires-python = "==3.11.*"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", extra = "x1" },
             { package = "proxy1", extra = "x2" },
@@ -4524,8 +4484,6 @@ fn jinja_no_conflict_markers1() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
-        resolution-markers = [
-        ]
         conflicts = [[
             { package = "project", extra = "cu118" },
             { package = "project", extra = "cu124" },