diff --git a/codebase2/codebase-sqlite/U/Codebase/Sqlite/Queries.hs b/codebase2/codebase-sqlite/U/Codebase/Sqlite/Queries.hs
index f96ce2517b..ffb2b859cd 100644
--- a/codebase2/codebase-sqlite/U/Codebase/Sqlite/Queries.hs
+++ b/codebase2/codebase-sqlite/U/Codebase/Sqlite/Queries.hs
@@ -149,6 +149,7 @@ module U.Codebase.Sqlite.Queries
     setRemoteProjectBranchName,
     insertBranchRemoteMapping,
     ensureBranchRemoteMapping,
+    deleteBranchRemoteMapping,
 
     -- * indexes
 
@@ -4034,6 +4035,20 @@ ensureBranchRemoteMapping pid bid rpid host rbid =
         DO NOTHING
     |]
 
+deleteBranchRemoteMapping ::
+  ProjectId ->
+  ProjectBranchId ->
+  URI ->
+  Transaction ()
+deleteBranchRemoteMapping pid bid host =
+  execute
+    [sql|
+      DELETE FROM project_branch_remote_mapping
+      WHERE local_project_id = :pid
+        AND local_branch_id = :bid
+        AND remote_host = :host
+    |]
+
 -- | Convert reversed name segments into glob for searching based on suffix
 --
 -- >>> toSuffixGlob ("foo" NonEmpty.:| ["bar"])
diff --git a/unison-cli/src/Unison/Codebase/Editor/HandleInput/Push.hs b/unison-cli/src/Unison/Codebase/Editor/HandleInput/Push.hs
index 755737a825..2825914bfa 100644
--- a/unison-cli/src/Unison/Codebase/Editor/HandleInput/Push.hs
+++ b/unison-cli/src/Unison/Codebase/Editor/HandleInput/Push.hs
@@ -417,9 +417,14 @@ pushProjectBranchToProjectBranch'InferredProject force localProjectAndBranch loc
                 (ProjectAndBranch (remoteProjectId, remoteProjectName) remoteBranchName)
             -- "push" with remote mapping for branch
             Just (remoteBranchId, remoteBranchName) -> do
-              let remoteProjectBranchDoesntExist =
+              let remoteProjectBranchDoesntExist = do
+                    Cli.runTransaction $
+                      Queries.deleteBranchRemoteMapping
+                        localProjectId
+                        localBranchId
+                        Share.hardCodedUri
                     Cli.returnEarly $
-                      Output.RemoteProjectBranchDoesntExist
+                      Output.RemoteProjectBranchDoesntExist'Push
                         Share.hardCodedUri
                         (ProjectAndBranch remoteProjectName remoteBranchName)
               Share.getProjectBranchById Share.NoSquashedHead (ProjectAndBranch remoteProjectId remoteBranchId) >>= \case
diff --git a/unison-cli/src/Unison/Codebase/Editor/Output.hs b/unison-cli/src/Unison/Codebase/Editor/Output.hs
index 1b08b1ea1b..2cc685a29c 100644
--- a/unison-cli/src/Unison/Codebase/Editor/Output.hs
+++ b/unison-cli/src/Unison/Codebase/Editor/Output.hs
@@ -350,6 +350,7 @@ data Output
   | LocalProjectNorProjectBranchExist ProjectName ProjectBranchName
   | RemoteProjectDoesntExist URI ProjectName
   | RemoteProjectBranchDoesntExist URI (ProjectAndBranch ProjectName ProjectBranchName)
+  | RemoteProjectBranchDoesntExist'Push URI (ProjectAndBranch ProjectName ProjectBranchName)
   | RemoteProjectReleaseIsDeprecated URI (ProjectAndBranch ProjectName ProjectBranchName)
   | RemoteProjectPublishedReleaseCannotBeChanged URI (ProjectAndBranch ProjectName ProjectBranchName)
   | -- A remote project branch head wasn't in the expected state
@@ -590,6 +591,7 @@ isFailure o = case o of
   LocalProjectNorProjectBranchExist {} -> True
   RemoteProjectDoesntExist {} -> True
   RemoteProjectBranchDoesntExist {} -> True
+  RemoteProjectBranchDoesntExist'Push {} -> True
   RemoteProjectReleaseIsDeprecated {} -> True
   RemoteProjectPublishedReleaseCannotBeChanged {} -> True
   RemoteProjectBranchHeadMismatch {} -> True
diff --git a/unison-cli/src/Unison/CommandLine/OutputMessages.hs b/unison-cli/src/Unison/CommandLine/OutputMessages.hs
index e41b0ced0d..f2775f0e79 100644
--- a/unison-cli/src/Unison/CommandLine/OutputMessages.hs
+++ b/unison-cli/src/Unison/CommandLine/OutputMessages.hs
@@ -1933,6 +1933,17 @@ notifyUser dir = \case
   RemoteProjectBranchDoesntExist host projectAndBranch ->
     pure . P.wrap $
       prettyProjectAndBranchName projectAndBranch <> "does not exist on" <> prettyURI host
+  RemoteProjectBranchDoesntExist'Push host projectAndBranch ->
+    let push = P.group . P.backticked . IP.patternName $ IP.push
+    in pure . P.wrap $
+      "The previous push target named"
+        <> prettyProjectAndBranchName projectAndBranch
+        <> "has been deleted from"
+        <> P.group (prettyURI host <> ".")
+        <> "I've deleted the invalid push target."
+        <> "Run the"
+        <> push
+        <> "command again to push to a new target."
   RemoteProjectBranchHeadMismatch host projectAndBranch ->
     pure . P.wrap $
       prettyProjectAndBranchName projectAndBranch