diff --git a/rust/ql/lib/codeql/rust/security/LogInjectionExtensions.qll b/rust/ql/lib/codeql/rust/security/LogInjectionExtensions.qll
index 40d11362355..e1fe3711ba6 100644
--- a/rust/ql/lib/codeql/rust/security/LogInjectionExtensions.qll
+++ b/rust/ql/lib/codeql/rust/security/LogInjectionExtensions.qll
@@ -8,7 +8,6 @@ private import codeql.rust.dataflow.DataFlow
 private import codeql.rust.dataflow.FlowBarrier
 private import codeql.rust.dataflow.FlowSink
 private import codeql.rust.Concepts
-private import codeql.util.Unit
 private import codeql.rust.security.Barriers as Barriers
 
 /**
diff --git a/rust/ql/lib/codeql/rust/security/SqlInjectionExtensions.qll b/rust/ql/lib/codeql/rust/security/SqlInjectionExtensions.qll
index de2622974f6..8c18760820e 100644
--- a/rust/ql/lib/codeql/rust/security/SqlInjectionExtensions.qll
+++ b/rust/ql/lib/codeql/rust/security/SqlInjectionExtensions.qll
@@ -9,7 +9,6 @@ private import codeql.rust.dataflow.DataFlow
 private import codeql.rust.dataflow.FlowBarrier
 private import codeql.rust.dataflow.FlowSink
 private import codeql.rust.Concepts
-private import codeql.util.Unit
 private import codeql.rust.security.Barriers as Barriers
 
 /**
diff --git a/rust/ql/lib/codeql/rust/security/XssExtensions.qll b/rust/ql/lib/codeql/rust/security/XssExtensions.qll
index 74ed161acb0..0920b88b3c3 100644
--- a/rust/ql/lib/codeql/rust/security/XssExtensions.qll
+++ b/rust/ql/lib/codeql/rust/security/XssExtensions.qll
@@ -8,7 +8,6 @@ private import codeql.rust.dataflow.DataFlow
 private import codeql.rust.dataflow.FlowBarrier
 private import codeql.rust.dataflow.FlowSink
 private import codeql.rust.Concepts
-private import codeql.util.Unit
 private import codeql.rust.security.Barriers as Barriers
 
 /**