diff --git a/go.mod b/go.mod
index 1ab5fb2e40..c86df84780 100644
--- a/go.mod
+++ b/go.mod
@@ -43,7 +43,6 @@ require (
 	github.com/xanzy/go-gitlab v0.79.1
 	go.etcd.io/bbolt v1.3.7
 	go.uber.org/zap v1.24.0
-	golang.org/x/exp v0.0.0-20230131013936-aae9b4e6329d
 	golang.org/x/term v0.4.0
 	golang.org/x/text v0.6.0
 	gopkg.in/yaml.v2 v2.4.0
diff --git a/go.sum b/go.sum
index 6a6e2eafce..4a1a364150 100644
--- a/go.sum
+++ b/go.sum
@@ -510,8 +510,6 @@ golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u0
 golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
 golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
 golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
-golang.org/x/exp v0.0.0-20230131013936-aae9b4e6329d h1:EdJVZdqCvJN8QvZSbrto8tf354qfT3cfBUPaxdWuOpQ=
-golang.org/x/exp v0.0.0-20230131013936-aae9b4e6329d/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
diff --git a/server/core/config/valid/global_cfg.go b/server/core/config/valid/global_cfg.go
index d8f0c0369e..5f7d497c8b 100644
--- a/server/core/config/valid/global_cfg.go
+++ b/server/core/config/valid/global_cfg.go
@@ -7,7 +7,7 @@ import (
 
 	version "github.com/hashicorp/go-version"
 	"github.com/runatlantis/atlantis/server/logging"
-	"golang.org/x/exp/slices"
+	"github.com/runatlantis/atlantis/server/utils"
 )
 
 const MergeableCommandReq = "mergeable"
@@ -427,22 +427,22 @@ func (g GlobalCfg) ValidateRepoCfg(rCfg RepoCfg, repoID string) error {
 		}
 	}
 	for _, p := range rCfg.Projects {
-		if p.WorkflowName != nil && !slices.Contains(allowedOverrides, WorkflowKey) {
+		if p.WorkflowName != nil && !utils.SlicesContains(allowedOverrides, WorkflowKey) {
 			return fmt.Errorf("repo config not allowed to set '%s' key: server-side config needs '%s: [%s]'", WorkflowKey, AllowedOverridesKey, WorkflowKey)
 		}
-		if p.ApplyRequirements != nil && !slices.Contains(allowedOverrides, ApplyRequirementsKey) {
+		if p.ApplyRequirements != nil && !utils.SlicesContains(allowedOverrides, ApplyRequirementsKey) {
 			return fmt.Errorf("repo config not allowed to set '%s' key: server-side config needs '%s: [%s]'", ApplyRequirementsKey, AllowedOverridesKey, ApplyRequirementsKey)
 		}
-		if p.PlanRequirements != nil && !slices.Contains(allowedOverrides, PlanRequirementsKey) {
+		if p.PlanRequirements != nil && !utils.SlicesContains(allowedOverrides, PlanRequirementsKey) {
 			return fmt.Errorf("repo config not allowed to set '%s' key: server-side config needs '%s: [%s]'", PlanRequirementsKey, AllowedOverridesKey, PlanRequirementsKey)
 		}
-		if p.ImportRequirements != nil && !slices.Contains(allowedOverrides, ImportRequirementsKey) {
+		if p.ImportRequirements != nil && !utils.SlicesContains(allowedOverrides, ImportRequirementsKey) {
 			return fmt.Errorf("repo config not allowed to set '%s' key: server-side config needs '%s: [%s]'", ImportRequirementsKey, AllowedOverridesKey, ImportRequirementsKey)
 		}
-		if p.DeleteSourceBranchOnMerge != nil && !slices.Contains(allowedOverrides, DeleteSourceBranchOnMergeKey) {
+		if p.DeleteSourceBranchOnMerge != nil && !utils.SlicesContains(allowedOverrides, DeleteSourceBranchOnMergeKey) {
 			return fmt.Errorf("repo config not allowed to set '%s' key: server-side config needs '%s: [%s]'", DeleteSourceBranchOnMergeKey, AllowedOverridesKey, DeleteSourceBranchOnMergeKey)
 		}
-		if p.RepoLocking != nil && !slices.Contains(allowedOverrides, RepoLockingKey) {
+		if p.RepoLocking != nil && !utils.SlicesContains(allowedOverrides, RepoLockingKey) {
 			return fmt.Errorf("repo config not allowed to set '%s' key: server-side config needs '%s: [%s]'", RepoLockingKey, AllowedOverridesKey, RepoLockingKey)
 		}
 	}
@@ -493,7 +493,7 @@ func (g GlobalCfg) ValidateRepoCfg(rCfg RepoCfg, repoID string) error {
 				}
 			}
 
-			if !slices.Contains(allowedWorkflows, name) {
+			if !utils.SlicesContains(allowedWorkflows, name) {
 				return fmt.Errorf("workflow '%s' is not allowed for this repo", name)
 			}
 		}
diff --git a/server/events/comment_parser.go b/server/events/comment_parser.go
index 35fd4466f1..71bda2e52c 100644
--- a/server/events/comment_parser.go
+++ b/server/events/comment_parser.go
@@ -26,8 +26,8 @@ import (
 	"github.com/google/shlex"
 	"github.com/runatlantis/atlantis/server/events/command"
 	"github.com/runatlantis/atlantis/server/events/models"
+	"github.com/runatlantis/atlantis/server/utils"
 	"github.com/spf13/pflag"
-	"golang.org/x/exp/slices"
 )
 
 const (
@@ -324,7 +324,7 @@ func (e *CommentParser) parseArgs(name command.Name, args []string, flagSet *pfl
 			return "", nil, e.errMarkdown("subcommand required", name.String(), flagSet)
 		}
 		subCommand, commandArgs = commandArgs[0], commandArgs[1:]
-		isAvailableSubCommand := slices.Contains(availableSubCommands, subCommand)
+		isAvailableSubCommand := utils.SlicesContains(availableSubCommands, subCommand)
 		if !isAvailableSubCommand {
 			errMsg := fmt.Sprintf("invalid subcommand %s (not %s)", subCommand, strings.Join(availableSubCommands, ", "))
 			return "", nil, e.errMarkdown(errMsg, name.String(), flagSet)
diff --git a/server/utils/slices.go b/server/utils/slices.go
new file mode 100644
index 0000000000..c2d67668ea
--- /dev/null
+++ b/server/utils/slices.go
@@ -0,0 +1,12 @@
+package utils
+
+// SlicesContains reports whether v is present in s.
+// https://pkg.go.dev/golang.org/x/exp/slices#Contains
+func SlicesContains[E comparable](s []E, v E) bool {
+	for _, vs := range s {
+		if v == vs {
+			return true
+		}
+	}
+	return false
+}