diff --git a/crates/tui/src/commands/config_main_host.rs b/crates/tui/src/commands/config_main_host.rs
index 22474e4701..bedc810dbc 100644
--- a/crates/tui/src/commands/config_main_host.rs
+++ b/crates/tui/src/commands/config_main_host.rs
@@ -4122,6 +4122,10 @@ mod tests {
         ));
         fs::create_dir_all(&temp_root).unwrap();
         let _guard = EnvGuard::new(&temp_root);
+        let _tmux = EnvVarGuard::remove("TMUX");
+        let _sty = EnvVarGuard::remove("STY");
+        let _tilix_id = EnvVarGuard::remove("TILIX_ID");
+        let _terminator_uuid = EnvVarGuard::remove("TERMINATOR_UUID");
         // Neutralize the SSH markers: production intentionally caps motion
         // over SSH, and the suite routinely runs inside one.
         let _ssh_client = EnvVarGuard::remove("SSH_CLIENT");
diff --git a/crates/tui/src/commands/session_export_regression_tests.rs b/crates/tui/src/commands/session_export_regression_tests.rs
index 77ae69b92e..ca4b4f668c 100644
--- a/crates/tui/src/commands/session_export_regression_tests.rs
+++ b/crates/tui/src/commands/session_export_regression_tests.rs
@@ -42,6 +42,7 @@ struct ExportHarness {
     // temporary files are removed (matches ControlHarness).
     _home: EnvVarGuard,
     _codewhale_home: EnvVarGuard,
+    _ssh: [EnvVarGuard; 3],
     _env_lock: TestEnvLock,
     temp: TempDir,
 }
@@ -54,6 +55,7 @@ impl ExportHarness {
         std::fs::create_dir_all(&home).expect("home dir");
         let _home = EnvVarGuard::set("HOME", &home);
         let _codewhale_home = EnvVarGuard::set("CODEWHALE_HOME", &home);
+        let _ssh = ["SSH_CLIENT", "SSH_CONNECTION", "SSH_TTY"].map(EnvVarGuard::remove);
         let options = TuiOptions {
             skills_dir: temp.path().join("skills"),
             memory_path: temp.path().join("memory.md"),
@@ -66,6 +68,7 @@ impl ExportHarness {
             app,
             _home,
             _codewhale_home,
+            _ssh,
             _env_lock: env_lock,
             temp,
         }
diff --git a/crates/tui/src/settings.rs b/crates/tui/src/settings.rs
index fd14437120..cdb230d7df 100644
--- a/crates/tui/src/settings.rs
+++ b/crates/tui/src/settings.rs
@@ -4531,6 +4531,11 @@ zai = ["GLM-5.2", "GLM-5.3"]
     #[test]
     fn ghostty_term_program_keeps_full_motion_without_the_legacy_30_fps_cap() {
         let _g = term_program_test_guard();
+        let _tmux = crate::test_support::EnvVarGuard::remove("TMUX");
+        let _sty = crate::test_support::EnvVarGuard::remove("STY");
+        let _tilix_id = crate::test_support::EnvVarGuard::remove("TILIX_ID");
+        let _terminator_uuid = crate::test_support::EnvVarGuard::remove("TERMINATOR_UUID");
+        let _no_animations = crate::test_support::EnvVarGuard::remove("NO_ANIMATIONS");
         // Neutralize the SSH markers: production intentionally caps motion
         // over SSH, and the suite routinely runs inside one.
         let _ssh_client = crate::test_support::EnvVarGuard::remove("SSH_CLIENT");
@@ -4559,6 +4564,11 @@ zai = ["GLM-5.2", "GLM-5.3"]
     #[test]
     fn ghostty_term_fallback_keeps_full_motion_without_the_legacy_30_fps_cap() {
         let _g = term_program_test_guard();
+        let _tmux = crate::test_support::EnvVarGuard::remove("TMUX");
+        let _sty = crate::test_support::EnvVarGuard::remove("STY");
+        let _tilix_id = crate::test_support::EnvVarGuard::remove("TILIX_ID");
+        let _terminator_uuid = crate::test_support::EnvVarGuard::remove("TERMINATOR_UUID");
+        let _no_animations = crate::test_support::EnvVarGuard::remove("NO_ANIMATIONS");
         // Neutralize the SSH markers: production intentionally caps motion
         // over SSH, and the suite routinely runs inside one.
         let _ssh_client = crate::test_support::EnvVarGuard::remove("SSH_CLIENT");
@@ -4592,6 +4602,7 @@ zai = ["GLM-5.2", "GLM-5.3"]
     #[test]
     fn non_vscode_term_program_does_not_force_low_motion() {
         let _g = term_program_test_guard();
+        let _no_animations = crate::test_support::EnvVarGuard::remove("NO_ANIMATIONS");
         let prev = std::env::var_os("TERM_PROGRAM");
         let prev_term = std::env::var_os("TERM");
         let prev_ssh_client = std::env::var_os("SSH_CLIENT");
@@ -4659,6 +4670,7 @@ zai = ["GLM-5.2", "GLM-5.3"]
     #[test]
     fn tilix_and_terminator_cap_redraws_without_disabling_motion() {
         let _g = term_program_test_guard();
+        let _no_animations = crate::test_support::EnvVarGuard::remove("NO_ANIMATIONS");
         // Neutralize the SSH markers: production intentionally caps motion
         // over SSH, and the suite routinely runs inside one.
         let _ssh_client = crate::test_support::EnvVarGuard::remove("SSH_CLIENT");