diff --git a/src/GitTabExpansion.ps1 b/src/GitTabExpansion.ps1
index a9a2a7c12..ea8e2f463 100644
--- a/src/GitTabExpansion.ps1
+++ b/src/GitTabExpansion.ps1
@@ -359,9 +359,12 @@ function GitTabExpansionInternal($lastBlock, $GitStatus = $null) {
 
         # Handles git checkout <ref>
         "^(?:checkout).* (?<ref>\S*)$" {
-            gitBranches $matches['ref'] $true
-            gitRemoteUniqueBranches $matches['ref']
-            gitTags $matches['ref']
+            & {
+                gitBranches $matches['ref'] $true
+                gitRemoteUniqueBranches $matches['ref']
+                gitTags $matches['ref']
+                # Return only unique branches (to eliminate duplicates where the branch exists locally and on the remote)
+            } | Select-Object -Unique
         }
 
         # Handles git worktree add <path> <ref>