diff --git a/pkg/cmd/project/link/link.go b/pkg/cmd/project/link/link.go
index 60102587a..2d81d6efc 100644
--- a/pkg/cmd/project/link/link.go
+++ b/pkg/cmd/project/link/link.go
@@ -61,6 +61,21 @@ func NewCmdLink(f *cmdutil.Factory, runF func(config linkConfig) error) *cobra.C
 				opts.number = int32(num)
 			}
 
+			if opts.repo == "" && opts.team == "" {
+				repo, err := f.BaseRepo()
+				if err != nil {
+					return err
+				}
+				opts.repo = repo.RepoName()
+				if opts.owner == "" {
+					opts.owner = repo.RepoOwner()
+				}
+			}
+
+			if err := cmdutil.MutuallyExclusive("specify only one of `--repo` or `--team`", opts.repo != "", opts.team != ""); err != nil {
+				return err
+			}
+
 			config := linkConfig{
 				httpClient: f.HttpClient,
 				config:     f.Config,
@@ -69,13 +84,6 @@ func NewCmdLink(f *cmdutil.Factory, runF func(config linkConfig) error) *cobra.C
 				io:         f.IOStreams,
 			}
 
-			if err := cmdutil.MutuallyExclusive("specify only one of `--repo` or `--team`", opts.repo != "", opts.team != ""); err != nil {
-				return err
-			}
-			if err := cmdutil.MutuallyExclusive("specify either `--repo` or `--team`", opts.repo == "", opts.team == ""); err != nil {
-				return err
-			}
-
 			// allow testing of the command without actually running it
 			if runF != nil {
 				return runF(config)
@@ -84,6 +92,7 @@ func NewCmdLink(f *cmdutil.Factory, runF func(config linkConfig) error) *cobra.C
 		},
 	}
 
+	cmdutil.EnableRepoOverride(linkCmd, f)
 	linkCmd.Flags().StringVar(&opts.owner, "owner", "", "Login of the owner. Use \"@me\" for the current user.")
 	linkCmd.Flags().StringVarP(&opts.repo, "repo", "R", "", "The repository to be linked to this project")
 	linkCmd.Flags().StringVarP(&opts.team, "team", "T", "", "The team to be linked to this project")
diff --git a/pkg/cmd/project/link/link_test.go b/pkg/cmd/project/link/link_test.go
index 160a950db..07af37f60 100644
--- a/pkg/cmd/project/link/link_test.go
+++ b/pkg/cmd/project/link/link_test.go
@@ -2,6 +2,7 @@ package link
 
 import (
 	"github.com/cli/cli/v2/internal/config"
+	"github.com/cli/cli/v2/internal/ghrepo"
 	"github.com/cli/cli/v2/pkg/cmd/project/shared/queries"
 	"github.com/cli/cli/v2/pkg/cmdutil"
 	"github.com/cli/cli/v2/pkg/iostreams"
@@ -27,18 +28,20 @@ func TestNewCmdLink(t *testing.T) {
 			wantsErr:    true,
 			wantsErrMsg: "invalid number: x",
 		},
-		{
-			name:        "specify-nothing",
-			cli:         "",
-			wantsErr:    true,
-			wantsErrMsg: "specify either `--repo` or `--team`",
-		},
 		{
 			name:        "specify-repo-and-team",
 			cli:         "--repo my-repo --team my-team",
 			wantsErr:    true,
 			wantsErrMsg: "specify only one of `--repo` or `--team`",
 		},
+		{
+			name: "specify-nothing",
+			cli:  "",
+			wants: linkOpts{
+				repo:  "REPO",
+				owner: "OWNER",
+			},
+		},
 		{
 			name: "repo",
 			cli:  "--repo my-repo",
@@ -62,13 +65,21 @@ func TestNewCmdLink(t *testing.T) {
 			},
 		},
 		{
-			name: "owner",
+			name: "owner-with-repo-flag",
 			cli:  "--repo my-repo --owner monalisa",
 			wants: linkOpts{
 				owner: "monalisa",
 				repo:  "my-repo",
 			},
 		},
+		{
+			name: "owner-without-repo-flag",
+			cli:  "--owner monalisa",
+			wants: linkOpts{
+				owner: "monalisa",
+				repo:  "REPO",
+			},
+		},
 		{
 			name: "json",
 			cli:  "--repo my-repo --format json",
@@ -86,6 +97,9 @@ func TestNewCmdLink(t *testing.T) {
 			ios, _, _, _ := iostreams.Test()
 			f := &cmdutil.Factory{
 				IOStreams: ios,
+				BaseRepo: func() (ghrepo.Interface, error) {
+					return ghrepo.New("OWNER", "REPO"), nil
+				},
 			}
 
 			argv, err := shlex.Split(tt.cli)
diff --git a/pkg/cmd/project/unlink/unlink.go b/pkg/cmd/project/unlink/unlink.go
index 88b8fdb94..ad91b8581 100644
--- a/pkg/cmd/project/unlink/unlink.go
+++ b/pkg/cmd/project/unlink/unlink.go
@@ -61,6 +61,21 @@ func NewCmdUnlink(f *cmdutil.Factory, runF func(config unlinkConfig) error) *cob
 				opts.number = int32(num)
 			}
 
+			if opts.repo == "" && opts.team == "" {
+				repo, err := f.BaseRepo()
+				if err != nil {
+					return err
+				}
+				opts.repo = repo.RepoName()
+				if opts.owner == "" {
+					opts.owner = repo.RepoOwner()
+				}
+			}
+
+			if err := cmdutil.MutuallyExclusive("specify only one of `--repo` or `--team`", opts.repo != "", opts.team != ""); err != nil {
+				return err
+			}
+
 			config := unlinkConfig{
 				httpClient: f.HttpClient,
 				config:     f.Config,
@@ -69,13 +84,6 @@ func NewCmdUnlink(f *cmdutil.Factory, runF func(config unlinkConfig) error) *cob
 				io:         f.IOStreams,
 			}
 
-			if err := cmdutil.MutuallyExclusive("specify only one of `--repo` or `--team`", opts.repo != "", opts.team != ""); err != nil {
-				return err
-			}
-			if err := cmdutil.MutuallyExclusive("specify either `--repo` or `--team`", opts.repo == "", opts.team == ""); err != nil {
-				return err
-			}
-
 			// allow testing of the command without actually running it
 			if runF != nil {
 				return runF(config)
@@ -84,6 +92,7 @@ func NewCmdUnlink(f *cmdutil.Factory, runF func(config unlinkConfig) error) *cob
 		},
 	}
 
+	cmdutil.EnableRepoOverride(linkCmd, f)
 	linkCmd.Flags().StringVar(&opts.owner, "owner", "", "Login of the owner. Use \"@me\" for the current user.")
 	linkCmd.Flags().StringVarP(&opts.repo, "repo", "R", "", "The repository to be unlinked from this project")
 	linkCmd.Flags().StringVarP(&opts.team, "team", "T", "", "The team to be unlinked from this project")
diff --git a/pkg/cmd/project/unlink/unlink_test.go b/pkg/cmd/project/unlink/unlink_test.go
index 5f0078df9..09ec7fc35 100644
--- a/pkg/cmd/project/unlink/unlink_test.go
+++ b/pkg/cmd/project/unlink/unlink_test.go
@@ -2,6 +2,7 @@ package unlink
 
 import (
 	"github.com/cli/cli/v2/internal/config"
+	"github.com/cli/cli/v2/internal/ghrepo"
 	"github.com/cli/cli/v2/pkg/cmd/project/shared/queries"
 	"github.com/cli/cli/v2/pkg/cmdutil"
 	"github.com/cli/cli/v2/pkg/iostreams"
@@ -27,18 +28,20 @@ func TestNewCmdUnlink(t *testing.T) {
 			wantsErr:    true,
 			wantsErrMsg: "invalid number: x",
 		},
-		{
-			name:        "specify-nothing",
-			cli:         "",
-			wantsErr:    true,
-			wantsErrMsg: "specify either `--repo` or `--team`",
-		},
 		{
 			name:        "specify-repo-and-team",
 			cli:         "--repo my-repo --team my-team",
 			wantsErr:    true,
 			wantsErrMsg: "specify only one of `--repo` or `--team`",
 		},
+		{
+			name: "specify-nothing",
+			cli:  "",
+			wants: unlinkOpts{
+				repo:  "REPO",
+				owner: "OWNER",
+			},
+		},
 		{
 			name: "repo",
 			cli:  "--repo my-repo",
@@ -62,13 +65,21 @@ func TestNewCmdUnlink(t *testing.T) {
 			},
 		},
 		{
-			name: "owner",
+			name: "owner-with-repo-flag",
 			cli:  "--repo my-repo --owner monalisa",
 			wants: unlinkOpts{
 				owner: "monalisa",
 				repo:  "my-repo",
 			},
 		},
+		{
+			name: "owner-without-repo-flag",
+			cli:  "--owner monalisa",
+			wants: unlinkOpts{
+				owner: "monalisa",
+				repo:  "REPO",
+			},
+		},
 		{
 			name: "json",
 			cli:  "--repo my-repo --format json",
@@ -86,6 +97,9 @@ func TestNewCmdUnlink(t *testing.T) {
 			ios, _, _, _ := iostreams.Test()
 			f := &cmdutil.Factory{
 				IOStreams: ios,
+				BaseRepo: func() (ghrepo.Interface, error) {
+					return ghrepo.New("OWNER", "REPO"), nil
+				},
 			}
 
 			argv, err := shlex.Split(tt.cli)