diff --git a/plugins/kotlin/code-insight/kotlin.code-insight.k2/src/org/jetbrains/kotlin/idea/k2/codeinsight/imports/UsedReference.kt b/plugins/kotlin/code-insight/kotlin.code-insight.k2/src/org/jetbrains/kotlin/idea/k2/codeinsight/imports/UsedReference.kt
index db78acfd0003..918eb753d1b4 100644
--- a/plugins/kotlin/code-insight/kotlin.code-insight.k2/src/org/jetbrains/kotlin/idea/k2/codeinsight/imports/UsedReference.kt
+++ b/plugins/kotlin/code-insight/kotlin.code-insight.k2/src/org/jetbrains/kotlin/idea/k2/codeinsight/imports/UsedReference.kt
@@ -47,6 +47,14 @@ internal class UsedReference private constructor(val reference: KtReference) {
         get() = reference.resolvesByNames
 
     fun KaSession.isResolved(): Boolean {
+        if (reference is KtInvokeFunctionReference) {
+            // invoke references on Kotlin builtin functional types (like `() -> Unit`)
+            // always have empty `resolveToSymbols`, so we have to do the check another way
+            val callInfo = reference.element.resolveToCall() ?: return false
+
+            return callInfo.calls.isNotEmpty()
+        }
+
         val resolvedSymbols = reference.resolveToSymbols()
 
         return resolvedSymbols.isNotEmpty()
diff --git a/plugins/kotlin/fir/tests/test/org/jetbrains/kotlin/idea/fir/imports/FirJvmOptimizeImportsTestGenerated.java b/plugins/kotlin/fir/tests/test/org/jetbrains/kotlin/idea/fir/imports/FirJvmOptimizeImportsTestGenerated.java
index 524830c5fa58..a0b8700931b3 100644
--- a/plugins/kotlin/fir/tests/test/org/jetbrains/kotlin/idea/fir/imports/FirJvmOptimizeImportsTestGenerated.java
+++ b/plugins/kotlin/fir/tests/test/org/jetbrains/kotlin/idea/fir/imports/FirJvmOptimizeImportsTestGenerated.java
@@ -669,6 +669,11 @@ public abstract class FirJvmOptimizeImportsTestGenerated extends AbstractFirJvmO
                 runTest("../../idea/tests/testData/editor/optimizeImports/common/InvokeFunctionCallWithOverloadAmbiguity_literalReceiver.kt");
             }
 
+            @TestMetadata("InvokeOnFunctionalTypeVsUnusedInvokeImport.kt")
+            public void testInvokeOnFunctionalTypeVsUnusedInvokeImport() throws Exception {
+                runTest("../../idea/tests/testData/editor/optimizeImports/common/InvokeOnFunctionalTypeVsUnusedInvokeImport.kt");
+            }
+
             @TestMetadata("IteratorFunction.kt")
             public void testIteratorFunction() throws Exception {
                 runTest("../../idea/tests/testData/editor/optimizeImports/common/IteratorFunction.kt");
diff --git a/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/imports/JsOptimizeImportsTestGenerated.java b/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/imports/JsOptimizeImportsTestGenerated.java
index f142e49401b3..f1e29e332a5c 100644
--- a/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/imports/JsOptimizeImportsTestGenerated.java
+++ b/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/imports/JsOptimizeImportsTestGenerated.java
@@ -406,6 +406,11 @@ public abstract class JsOptimizeImportsTestGenerated extends AbstractJsOptimizeI
                 runTest("testData/editor/optimizeImports/common/InvokeFunctionCallWithOverloadAmbiguity_literalReceiver.kt");
             }
 
+            @TestMetadata("InvokeOnFunctionalTypeVsUnusedInvokeImport.kt")
+            public void testInvokeOnFunctionalTypeVsUnusedInvokeImport() throws Exception {
+                runTest("testData/editor/optimizeImports/common/InvokeOnFunctionalTypeVsUnusedInvokeImport.kt");
+            }
+
             @TestMetadata("IteratorFunction.kt")
             public void testIteratorFunction() throws Exception {
                 runTest("testData/editor/optimizeImports/common/IteratorFunction.kt");
diff --git a/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/imports/JvmOptimizeImportsTestGenerated.java b/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/imports/JvmOptimizeImportsTestGenerated.java
index 6acc35050246..42f530babb4d 100644
--- a/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/imports/JvmOptimizeImportsTestGenerated.java
+++ b/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/imports/JvmOptimizeImportsTestGenerated.java
@@ -674,6 +674,11 @@ public abstract class JvmOptimizeImportsTestGenerated extends AbstractJvmOptimiz
                 runTest("testData/editor/optimizeImports/common/InvokeFunctionCallWithOverloadAmbiguity_literalReceiver.kt");
             }
 
+            @TestMetadata("InvokeOnFunctionalTypeVsUnusedInvokeImport.kt")
+            public void testInvokeOnFunctionalTypeVsUnusedInvokeImport() throws Exception {
+                runTest("testData/editor/optimizeImports/common/InvokeOnFunctionalTypeVsUnusedInvokeImport.kt");
+            }
+
             @TestMetadata("IteratorFunction.kt")
             public void testIteratorFunction() throws Exception {
                 runTest("testData/editor/optimizeImports/common/IteratorFunction.kt");
diff --git a/plugins/kotlin/idea/tests/testData/editor/optimizeImports/common/InvokeOnFunctionalTypeVsUnusedInvokeImport.dependency.kt b/plugins/kotlin/idea/tests/testData/editor/optimizeImports/common/InvokeOnFunctionalTypeVsUnusedInvokeImport.dependency.kt
new file mode 100644
index 000000000000..bc1dbe1f03c4
--- /dev/null
+++ b/plugins/kotlin/idea/tests/testData/editor/optimizeImports/common/InvokeOnFunctionalTypeVsUnusedInvokeImport.dependency.kt
@@ -0,0 +1,3 @@
+package dependency
+
+fun invoke() {}
\ No newline at end of file
diff --git a/plugins/kotlin/idea/tests/testData/editor/optimizeImports/common/InvokeOnFunctionalTypeVsUnusedInvokeImport.kt b/plugins/kotlin/idea/tests/testData/editor/optimizeImports/common/InvokeOnFunctionalTypeVsUnusedInvokeImport.kt
new file mode 100644
index 000000000000..ec3c9db7d1cd
--- /dev/null
+++ b/plugins/kotlin/idea/tests/testData/editor/optimizeImports/common/InvokeOnFunctionalTypeVsUnusedInvokeImport.kt
@@ -0,0 +1,7 @@
+package test
+
+import dependency.invoke
+
+fun test(action: () -> Unit) {
+    action()
+}
\ No newline at end of file
diff --git a/plugins/kotlin/idea/tests/testData/editor/optimizeImports/common/InvokeOnFunctionalTypeVsUnusedInvokeImport.kt.after b/plugins/kotlin/idea/tests/testData/editor/optimizeImports/common/InvokeOnFunctionalTypeVsUnusedInvokeImport.kt.after
new file mode 100644
index 000000000000..66b163fdcddd
--- /dev/null
+++ b/plugins/kotlin/idea/tests/testData/editor/optimizeImports/common/InvokeOnFunctionalTypeVsUnusedInvokeImport.kt.after
@@ -0,0 +1,5 @@
+package test
+
+fun test(action: () -> Unit) {
+    action()
+}
\ No newline at end of file
diff --git a/plugins/kotlin/idea/tests/testData/editor/optimizeImports/common/InvokeOnFunctionalTypeVsUnusedInvokeImport.kt.log b/plugins/kotlin/idea/tests/testData/editor/optimizeImports/common/InvokeOnFunctionalTypeVsUnusedInvokeImport.kt.log
new file mode 100644
index 000000000000..2606b959df60
--- /dev/null
+++ b/plugins/kotlin/idea/tests/testData/editor/optimizeImports/common/InvokeOnFunctionalTypeVsUnusedInvokeImport.kt.log
@@ -0,0 +1 @@
+Additional checking of reference KtInvokeFunctionReference: action()