diff --git a/src/test/java/jenkins/plugins/git/AbstractGitSCMSourceTest.java b/src/test/java/jenkins/plugins/git/AbstractGitSCMSourceTest.java
index e6b8ccee19..5848928140 100644
--- a/src/test/java/jenkins/plugins/git/AbstractGitSCMSourceTest.java
+++ b/src/test/java/jenkins/plugins/git/AbstractGitSCMSourceTest.java
@@ -524,16 +524,11 @@ private void retrievePrimaryHead(boolean duplicatePrimary) throws Exception {
                 break;
             }
         }
-        final boolean CLI_GIT_LESS_THAN_280 = !sampleRepo.gitVersionAtLeast(2, 8);
-        if (duplicatePrimary && CLI_GIT_LESS_THAN_280) {
-            assertThat(refAction, is(nullValue()));
-        } else {
-            assertThat(refAction, notNullValue());
-            assertThat(refAction.getName(), is("new-primary"));
-            when(owner.getAction(GitRemoteHeadRefAction.class)).thenReturn(refAction);
-            when(owner.getActions(GitRemoteHeadRefAction.class)).thenReturn(Collections.singletonList(refAction));
-            actions = source.fetchActions(headByName.get("new-primary"), null, listener);
-        }
+        assertThat(refAction, notNullValue());
+        assertThat(refAction.getName(), is("new-primary"));
+        when(owner.getAction(GitRemoteHeadRefAction.class)).thenReturn(refAction);
+        when(owner.getActions(GitRemoteHeadRefAction.class)).thenReturn(Collections.singletonList(refAction));
+        actions = source.fetchActions(headByName.get("new-primary"), null, listener);
 
         PrimaryInstanceMetadataAction primary = null;
         for (Action a: actions) {
@@ -542,11 +537,7 @@ private void retrievePrimaryHead(boolean duplicatePrimary) throws Exception {
                 break;
             }
         }
-        if (duplicatePrimary && CLI_GIT_LESS_THAN_280) {
-            assertThat(primary, is(nullValue()));
-        } else {
-            assertThat(primary, notNullValue());
-        }
+        assertThat(primary, notNullValue());
     }
 
     @Issue("JENKINS-31155")
@@ -1070,11 +1061,6 @@ public void refLockEncounteredIfPruneTraitNotPresentOnTagRetrieval() throws Exce
 
     @Test
     public void refLockAvoidedIfPruneTraitPresentOnNotFoundRetrieval() throws Exception {
-        /* Older git versions have unexpected behaviors with prune */
-        if (!sampleRepo.gitVersionAtLeast(1, 9, 0)) {
-            /* Do not distract warnings system by using assumeThat to skip tests */
-            return;
-        }
         assumeTrue("Test class max time " + MAX_SECONDS_FOR_THESE_TESTS + " exceeded", isTimeAvailable());
         TaskListener listener = StreamTaskListener.fromStderr();
         GitSCMSource source = new GitSCMSource(sampleRepo.toString());
@@ -1089,11 +1075,6 @@ public void refLockAvoidedIfPruneTraitPresentOnNotFoundRetrieval() throws Except
 
     @Test
     public void refLockAvoidedIfPruneTraitPresentOnTagRetrieval() throws Exception {
-        /* Older git versions have unexpected behaviors with prune */
-        if (!sampleRepo.gitVersionAtLeast(1, 9, 0)) {
-            /* Do not distract warnings system by using assumeThat to skip tests */
-            return;
-        }
         assumeTrue("Test class max time " + MAX_SECONDS_FOR_THESE_TESTS + " exceeded", isTimeAvailable());
         TaskListener listener = StreamTaskListener.fromStderr();
         GitSCMSource source = new GitSCMSource(sampleRepo.toString());
diff --git a/src/test/java/jenkins/plugins/git/GitSampleRepoRule.java b/src/test/java/jenkins/plugins/git/GitSampleRepoRule.java
index 504035f59d..e930103bbe 100644
--- a/src/test/java/jenkins/plugins/git/GitSampleRepoRule.java
+++ b/src/test/java/jenkins/plugins/git/GitSampleRepoRule.java
@@ -81,12 +81,7 @@ public void init() throws Exception {
         run(true, tmp.getRoot(), "git", "version");
         checkGlobalConfig();
         git("init", "--template="); // initialize without copying the installation defaults to ensure a vanilla repo that behaves the same everywhere
-	if (gitVersionAtLeast(2, 30)) {
-	    // Force branch name to master even if system default is not master
-	    // Fails on git 2.25, 2.20, and 2.17
-	    // Works on git 2.30 and later
-            git("branch", "-m", "master");
-	}
+        git("branch", "-m", "master");
         write("file", "");
         git("add", "file");
         git("config", "user.name", "Git SampleRepoRule");
diff --git a/src/test/java/jenkins/plugins/git/GitUsernamePasswordBindingTest.java b/src/test/java/jenkins/plugins/git/GitUsernamePasswordBindingTest.java
index 46654be9d5..e9bac8b2d9 100644
--- a/src/test/java/jenkins/plugins/git/GitUsernamePasswordBindingTest.java
+++ b/src/test/java/jenkins/plugins/git/GitUsernamePasswordBindingTest.java
@@ -213,7 +213,7 @@ public void test_EnvironmentVariables_FreeStyleProject() throws Exception {
         if (isCliGitTool()) {
             if (isWindows()) {
                 assertThat(fileContents, containsString("GCM_INTERACTIVE=false"));
-            } else if (g.gitVersionAtLeast(2, 3, 0)) {
+            } else {
                 assertThat(fileContents, containsString("GIT_TERMINAL_PROMPT=false"));
             }
         }
@@ -262,7 +262,7 @@ public void test_EnvironmentVariables_PipelineJob() throws Exception {
         if (isCliGitTool()) {
             if (isWindows()) {
                 assertThat(fileContents, containsString("GCM_INTERACTIVE=false"));
-            } else if (g.gitVersionAtLeast(2, 3, 0)) {
+            } else {
                 assertThat(fileContents, containsString("GIT_TERMINAL_PROMPT=false"));
             }
         }